In any polygon, especially a triangle, several special lines can be given. One of them is the angle trisector. An angle trisector is two lines that divide an angle into three equal parts. One theorem that uses angle trisectors is Morley’s Theorem. Basically, Morley’s Theorem applies angle trisectors to the inner angles of any triangle. From these angle trisector lines, several intersection …
ABSTRACT The main problem in big cities like Pekanbaru City related to the city's drainage system and its environment is the occurrence of inundation floods. These inundated floods indirectly have social and economic impacts and become obstacles in educational activities, the mobility of goods and services. Many areas in Pekanbaru City experience frequent flooding and one of the areas in Pekan…
ABSTRACT Article 24 paragraph (1) of Law Number 22 of 2009 concerning Road Traffic and Transportation explains that road operators must immediately and properly repair damaged roads that can lead to traffic accidents. However, it is still not implemented, especially on roads in Pekanbaru City so that many people complain because there are still a lot of road damage. The research objectives…
ABSTRACT This study aims to increase the growth of lemon cuttings by giving goat bio urine. This research was conducted at experimental field of the Faculty of Agriculture, Universitas Riau. This research was carried out experimentally which was arranged in the form of an experiment with a completely randomized design. The treatment of this research was goat bio urine concentration control,…
ABSTRACT Selais Indrapura is a prototype ship designed by the Riau University team. Using a mono hull type hull, this Indrapura was made to take part in the 2020 National Unmanned Fast Boat Contest (KKCTBN) which was held by the Directorate General of Learning and Student Affairs and the Ministry of Tekdikti of the Republic of Indonesia in collaboration with the University of Muhammadiyah …
ABSTRACT The success of oil palm cultivation is deeply depend by quality of the seedlings, and for this reason the implementation of nurseries needs a special attention. The problem that occurs regularly is that the amount of seeds sent from the nursery area is not equal to the amount of seeds contained in the farm. The number of seeds that are not allocated causes misfortunes in the organ…
The level of students' thinking ability is still in the category of low order thinking so it requires a learning approach that can motivate students to be independent, creative, and active. Project-oriented learning activities are important to do, but factors such as lack of equipment, unavailability of laboratory assistants, and shared laboratories for many classes cause this learning method d…
Writing narrative essays is one of the language skills that students must have, namely writing skills. The existence of Indonesian language learning can improve language skills in students, one of which is in the aspect of writing skills. This study aims to describe the ability of grade V students of 184 Pekanbaru Elementary School in writing narrative essays. The ability to write narrative ess…
ABSTRACT The battery energy storage system used in photovoltaic solar cells has the disadvantage of a decreased battery life due to battery stress caused by fluctuations in the battery current arising from the charging and discharging processes. The use of a supercapacitor module to reduce battery current fluctuations is applied in this design. The supercapacitor together with the battery…
This study aims to describe the discipline of student learning by applying the cooperative learning model of the trio unit type duel team games tournament (TUDTGT) to earth subject. This type of research is descriptive research. The subjects in this study were students of class X.MO 2, totals are 33 students. Data collecting techniques in this study such as observations with data collection res…
Abstract Video games is one of interactive entertainments that involves interactive players with certain electronic devices. Video games are divided into two types based on visual art, namely 2D and 3D. One method of building world elements in 3D games is tile-based system. Games that use a tile-based system are called tile-based games. One of many game engines that can be used to make tile-ba…
Based on the observation of researchers conducted at the athletic State High school athletics athletes, there are still many problems especially on the number of the 800-Meter-long running distance that can be seen as in the national match, in the game the athlete has been good but has not reached the peak achievement. The purpose of this research is to know the durability and speed relationshi…
Oil-contaminated soil can damage the environment and reduce aesthetics. Moreover, land contaminated with oil waste is categorized as hazardous and toxic (B3) waste according to Kep. MenLH 128 of 2003. Therefore, it is necessary to manage and process oil-contaminated land. This is done to prevent the spread and absorption of oil into the soil. Based on this, it is necessary to conduct researc…
This research was conducted with the aim to find out how the values of Pancasila contained in the Pengantin Sahur tradition in Pulau Palas village, Tembilahan Hulu Subdistrict, Indragiri Hilir District. Data collection techniques are using two data, first is primary data through observation and interviews and the second is secondary data through library research and documentation. The results s…
ABSTRACT Companies in carrying out their operational activities often deal with economic problems and market conditions that cause companies to suffer losses so that it is necessary to take efficiency measures to maintain the continuity of the company's operations. One form of efficiency that is often done by employers is to reduce the number of workers by terminating employment. This res…
High voltage measurements differ from low-voltage measurements, so a special explanation is required of these measurements. There are two types of high voltage that will be measured in high voltage testing, ie high voltage back and forth and high voltage direction. Here a measured voltage measurement uses a high voltage capacitor and a high-voltage resistor in which the capacitor and resistor h…
Diatoms are unicellular organisms from the Bacillariophiceae class, can be found as planktonic diatoms and benthic diatoms. This research was carried out in July 2018, in Pecinta Alam Bahari (PAB), Dumai Barat. This study aims to find out the type, distribution, and abundance of epiphytic diatoms in Rhizophora. The method use in this study was the survey method. Point sampling was determined by…
This research aims to determine the effect of several organic materials and obtain good organic material for the growth of cocoa seeds. The research was conducted in the experimental farm of the Faculty of Agriculture, University of Riau, starting from November 1, 2018 to February 28, 2019. This research used a completely randomized design (CRD) with 4 treatments and 5 replications so that it c…
The aim of this research is to know the effect of composting of coffee peel and NPK fertilizer on the growth and production of sweet corn and to know the best dose of the treatment. This research conducted in experimental garden of Faculty of Agriculture Riau University for four months starting from June to September 2017. This research was conducted using a randomized block design (RBD) consis…
High voltage measurements differ from low-voltage measurements, so a special explanation is required of these measurements. There are two types of high voltage that will be measured in high voltage testing, ie high voltage back and forth and high voltage direction. Here a measured voltage measurement uses a high voltage capacitor and a high-voltage resistor in which the capacitor and resistor h…