Welcome to your Area and Perimeter of Plane Shapes(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. The area of a trapezium ABCD is 156 cm². If the parallel sides are 17 cm and 35 cm respectively, what is the height of the trapezium? 9 cm 5 cm 6 cm 4 cm None 2. A square on the picture has 8 cm long side. Find the area of the colored part of a circle 36.53 cm² 6.54 cm² 361 cm² 28.88 cm² None 3. A square field has a perimeter of 48 m. Find the area of the field. 12 m² 24 m² 144 m² 48 m² 96 m² None 4. Find the radius of a circle having 154 cm² as its area. 14 cm 49 cm 3.5 cm 24.5 cm 7 cm None 5. Calculate the perimeter of a semi-circle whose diameter is 14 cm. 36 cm 58 cm 14 cm 11 cm 22 cm None 6. Calculate the length of the side of a square whose area is 1089 cm². 103 cm 33 cm 21 cm 23 cm 32 cm None 7. Find the area of the rectangle ABCD, where the length of the side |AB| = a = 8.2 cm and the diagonal d = 2a. 116.46 cm² 29.2 cm² 98.5 cm² 32.5 cm² None 8. A square has a perimeter of 24 cm. Find its area in cm². 96 cm² 36 cm² 48 cm² 24 cm² 72 cm² None 9. Find the perimeter of a circle if its area is 706.5 cm2. 53 cm 94.2 cm 121 cm 45.7 cm None 10. What is the area of a triangle that has a height of 9cm and a base of 4 cm? 18 sq cm 43 sq cm 13 sq cm 36 sq cm None 11. Calculate the area of the triangle drawn below. 14 cm² 20 cm² 54 cm² 40 cm² 25 cm² None 12. The area of a rectangle is 40 cm² and one side is 8 cm long. Find its perimeter. 16 cm 32 cm 26 cm 40 cm 20 cm None 13. Calculate the area of a circular field of diameter 6 m, correct to 2 s.f. (Take π = 3.14) 28 m² 112 m² 28.3 m² 29 m² 9.4 m² None 14. The area of a triangle ABC is 18 cm² and the base is 6 cm. Calculate the height of the triangle. 6 cm 2 cm 18 cm 9 cm 4 cm None 15. A classroom of length (2b + 1) has breadth 'b'. What is the perimeter of the classroom? 2b + 1 3b + 1 b + 1 6b + 2 None 16. Three points, R, S, and T marked the edges of a garden plot. If |RS| = 5 m, |ST| = 13 m, and |RT| = 12 m, find the area of the garden plot. 8 m² 30 m² 27 m² 15 m² 28 m² None 17. Calculate to the nearest whole number the perimeter of a circle whose radius is 6cm. 37 cm 36 cm 39 cm 38 cm None 18. The length of a diagonal of a 3 cm wide rectangle is 5 cm. Find the area of the rectangle. 15 cm² 12 cm² 10 cm² 20 cm² None 19. A right-angled isosceles triangle has the area of 32 cm2. What is its perimeter ? 27.31 cm 12 cm 35 cm 22.1 cm None 20. Find the perimeter and the area of a square, if we know the length of its diagonal d = 4.2 m. P = 18 m, A = 88 m² P = 15.3 m, A = 8.82 m² P = 6.3 m, A = 12.5 m² P = 11.88 m, A = 8.82 m² None 1 out of 20 Time's upTime is Up!
