19/03/2020 Area and Perimeter of Plane Shapes(Study by Topics Junior Class) 0Comments by Gate Academy Welcome to your Area and Perimeter of Plane Shapes(Study by Topics Junior Class) NAME EMAIL PHONE NUMBER 1. What is the area of a trapezoid that has a base of 2 inches, a base of 4 inches and a height of 3 inches? 6 sq. inches9 sq inches15 sq. inches24 sq. inches2. The area of a rectangle is 40 cm² and one side is 8 cm long. Find its perimeter.20 cm16 cm26 cm32 cm40 cm3. The diameter of a record player disc is 14 cm. Calculate its area.616 cm²11 cm²44 cm²154 cm²144 cm²4. An equilateral triangle of sides 16 cm has the same perimeter of a square. The area of the square in cm² is?64144962565. Find the length of the diagonal of a rectangle whose length and breadth are 8 cm and 6 cm respectively.11 cm10 cm15 cm12 cm7 cm6. Find the perimeter of a circle if its area is 706.5 cm^{2}.45.7 cm94.2 cm53 cm121 cm7. 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?4 cm5 cm6 cm9 cm8. Find the perimeter and the area of a square, if we know the length of its diagonal d = 4.2 m.P = 11.88 m, A = 8.82 m²P = 6.3 m, A = 12.5 m²P = 15.3 m, A = 8.82 m²P = 18 m, A = 88 m²9. Calculate the area of a circle whose diameter is 7 cm.154 cm²44 cm²38.5 cm²38 cm²22 cm²10. Calculate the perimeter of a semi-circle whose diameter is 14 cm.36 cm22 cm14 cm58 cm11 cm11. If the area of a circle is 154 cm², what is the diameter of the circle?28 cm7 cm14 cm21 cm30 cm12. Calculate the perimeter of a football field which measures 60 m by 40 m.200 m20 m2400 m100 m120 m13. Calculate the area of a circular field of diameter 6 m, correct to 2 s.f. (Take π = 3.14)28 m²29 m²9.4 m²28.3 m²112 m²14. The perimeter of a football field is 102 cm. Find the length of the field if its breadth is 24 cm.12 cm48 cm51 cm63 cm27 cm15. On the picture two and another two semicircles are identical. The radius of one semicircle is twice as large as the radius of the other semicircle. Find the area of the colored pattern if |AB| = 12 cm. 25 cm²37.7 cm²57.7 cm²45 cm²16. Find the radius of a circle having 154 cm² as its area. (π = ^{22}/_{7})24.5 cm7 cm14 cm3.5 cm49 cm17. A land of a right-angled trapezoid shape has the bases lengths of 92 m and 76 m and the vertical arm is 6.3 m long. Find the land area and the length of a fencing needed to fence the land.A = 529.2 m², P = 191.5 mA = 29.4 m², P = 194 mA = 342 m², P = 19 mA = 12.2 m², P = 91.5 m18. A square field has a perimeter of 48 m. Find the area of the field.96 m²144 m²12 m²24 m²48 m²19. Lengths of the sides of a rectangular garden are in the ratio 1 : 2. Line connecting the centers of the adjacent sides of the garden is 20 m long. Calculate the perimeter of the garden.12√5 m56√7 m6548√5 m20. Find the area of a parallelogram whose base and height are 46 cm and 12 cm respectively.552 cm²276 cm²116 cm²58 cm²21 out of 20Time is Up! Time's up