KERSA SINORY SECONDARY SCHOOL 2016E.C. Mathematics Worksheet For Grade L CHOOSE THE BEST ANSWER Which of the following is the measure of an exerce angle of a 10 sides resign? A 144 B72° C D 1 2. to AABC, FAB-10 units, BC-14 units and AC-3 umits, then the of the mangles is A. 16/3 units B. 16-2 units C. 10/6 units D lev's units 3. Which of the following angles can be angles of interior angle a regular polygon? a. 167 84°C 135'D. 155 4. Which of the following is true about the trigonometric values of the given pairs of angles A. cos(120) cos(60) B. sin(120)=sin(60°) C. tan(75)=tan (105) D. sin(75)=cos(105) 5. A regular polygon of if each of exterior angle is equal to its adjacent interior angles. Find the number of sides" A3B4C5D.6 6. If the sum of exterior angles of a polygon is one-ninth the sum of its interior angles, then the polygon has sides. A.20 B. 18 C.180 D. 182 7. If the sum of the interior angles of a regular polygon is five times the sum of its exterior angles, then the number of sides it has is .A. 10B. 14 C. 11 D. 12 8. If the sum of the interior and exterior angles of a regular polygons 1620, then find the number of sides of polygon A. 9B.10 C.11 D.12 9. If the number of diagonal from one vertex of a regular polygon is 6, then what is the measure of each interior angles of a polygon? A. 120 B. 60V C. 40V D. 180 10. A regular polygon of if each of exterior angle is equal to twice its adjacent interior angles. Find the number of sides? A. 3 B. 4C.5D.6 11. The sum of the interior angles and the sum of exterior angles of a polygon are in the ratio 9:2. Then the number of sides in the polygon is A9B. 11 CIS D. 12 12. In an n-sided regular polygon, cach interior angle is 35 times each exterior angles find the sum of interior ungles ?A. 12600 B. 120 CS D. 175 13. One of the interior angle of a polygon is 1000 and each of the other angles is 1100. Find the number of sides of polygon? A. 4 sides B. 5 sides C. 6 sides D. none 14. The interior angle of a polygon are in the ratio 23:59:11, then which one of the following is not true about this polygon? A. its pentagon polygon B. convex polygon C. concave polygon D. the small angle is 36° 15. Pentagons ABCDE and FGHU are similar. The ratio of each side of pentagon ABCDE to its corresponding side of pentagon FGHU is 4:1. If AB and FG are corresponding sides, and the length of AB is 4x-4, what is the length of FG? Ax+1 B. 2x+2 C.4x+4 D. 16x+16 16. Suppose AABC-ADEF and the side of AABC are 14cm, Tem and 19cm long. If the perimeter of ADEF is ledem. the what is the length of the shortest side ADEF? A. 112cm B. 28cm C. 56cm D. 14cm 17. The area of regular hexagon is 961/3cm² What is its perimeter? A. 54cm B. 48cm C. 60cm D. 42mm 18. The sum of the interior angles of a polygon is 9x². If x is 3 greater than the number of sides of the polygon, how many sides does the polygon have? A. 6 sides B. 7 sides C. 10 sides D. 13 sides 19. The sum of the interior angles of a polygon is equal to three times the sum of its exterior angles. How many sides does the polygon have? A. 6 sides B. 10 sides C. 8 sides D. 12 side 20. If the sum of the interior angles of a polygon is equal to the sum of the exterior angles, which of the following statements must be true? A. The polygon is a regular polygon B. The polygon has 4 sides. C. The polygon has 2 sides. D. The polygon has 6 side 1​