TAILIEUCHUNG - SAT math essentials part 6

Tham khảo tài liệu 'sat math essentials part 6', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | CHAPTER Geometry Review This chapter reviews key skills and concepts of geometry that you need to know for the SAT. Throughout the chapter are sample questions in the style of SAT questions. Each sample SAT question is followed by an explanation of the correct answer. Vocabulary It is essential in geometry to recognize and understand the terminology used. Before you take the SAT be sure you know and understand each geometry term in the following list. acute angle an angle that measures less than 90 acute triangle a triangle with every angle that measures less than 90 adjacent angles two angles that have the same vertex share one side and do not overlap angle two rays connected by a vertex arc a curved section of a circle area the number of square units inside a shape bisect divide into two equal parts central angle an angle formed by an arc in a circle 95 GEOMETRY REVIEW chord a line segment that goes through a circle with its endpoints on the circle circumference the distance around a circle complementary angles two angles whose sum is 90 congruent identical in shape and size the geometric symbol for congruent to is coordinate plane a grid divided into four quadrants by both a horizontal x-axis and a vertical y-axis coordinate points points located on a coordinate plane diagonal a line segment between two non-adjacent vertices of a polygon diameter a chord that passes through the center of a circle the longest line you can draw in a circle. The term is used not only for this line segment but also for its length. equiangular polygon a polygon with all angles of equal measure equidistant the same distance equilateral triangle a triangle with three equal sides and three equal angles exterior angle an angle on the outer sides of two lines cut by a transversal or an angle outside a triangle hypotenuse the longest leg of a right triangle. The hypotenuse is always opposite the right angle in a right triangle. interior angle an angle on the inner sides of two lines cut by

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