tailieunhanh - Ebook 1001 math problems: Part 2

(BQ) Following the contents of the first book, "1001 math problems", Part 2 introduces the learner to test exercises Chapter 6 - Geomatry. the end the book is the solution Puong mathematical exercises for readers review. Offers the same reference shallow. | SECTION 6 V Geometry The 12 sets of basic geometry problems in this section involve lines angles triangles rectangles squares and circles. For example you may be asked to find the area or perimeter of a shape the length of a line or the circumference of a circle. In addition the word problems will illustrate how closely geometry is related to the real world and to everyday life. IRN Set 52 Answers begin on page 209. 822. A right angle is a. 180 degrees. 817. Each of the following figures has exactly two b. greater than 90 degrees. pairs of parallel sides EXCEPT a c. exactly 90 degrees. a. parallelogram. d. less than 90 degrees. b. rhombus. c. trapezoid. 823. Which of the following statements is true d. square. a. Parallel lines intersect at right angles. b. Parallel lines never intersect. 818. How many faces does a cube have c. Perpendicular lines never intersect. a. 4 faces d. Intersecting lines have two points in b. 6 faces common. c. 8 faces d. 12 faces 824. A triangle has two congruent sides and the measure of one angle is 40 degrees. Which of 819. A polygon is a plane figure composed of con- the following types of triangles is it nected lines. How many connected lines must a. isosceles there be to make a polygon b. equilateral a. 3 or more c. right b. 4 or more d. scalene c. 5 or more d. 6 or more 825. A triangle has one 30-degree angle and one 60- degree angle. Which of the following types of 820. An acute angle is triangles is it a. 180 degrees. a. isosceles b. greater than 90 degrees. b. equilateral c. 90 degrees. c. right d. less than 90 degrees. d. scalene 821. A straight angle is 826. A triangle has angles of 71 degrees and 62 a. exactly 180 degrees. degrees. Which of the following best describes b. between 90 and 180 degrees. the triangle c. 90 degrees. a. acute scalene d. less than 90 degrees. b. obtuse scalene c. acute isosceles d. obtuse isosceles UaQHlN GEOMETRY 827. In which of the following are the diagonals of the figure always congruent and .