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. Find the length of the diagonal of a rectangle whose length and breadth are 8 cm and 6 cm respectively.10 cm12 cm15 cm11 cm7 cm2. One of the internal angles of the rhombus is 120° and the shorter diagonal is 3.4 meters long. Find the perimeter of the rhombus.21.7 m28 m16 m13.6 m3. If the area of a rectangle is 144 cm² and its breadth is 6 cm, find the perimeter if the rectangle.30 cm60 cm144 cm24 cm12 cm4. 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.30 m²8 m²27 m²28 m²15 m²5. Calculate the area of the triangle drawn below.14 cm²25 cm²20 cm²54 cm²40 cm²6. An equilateral triangle of sides 16 cm has the same perimeter of a square. The area of the square in cm² is?96641442567. A square has a perimeter of 24 cm. Find its area in cm².72 cm²96 cm²24 cm²36 cm²48 cm²8. Calculate the area of a circle whose diameter is 7 cm.22 cm²44 cm²38 cm²154 cm²38.5 cm²9. 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 cm²57.7 cm²37.7 cm²45 cm²10. 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. inches15 sq. inches9 sq inches24 sq. inches11. How many tiles of dimension 0.3 m by 0.3 m will cover a floor area of 32.49 square meters?361 tiles366 tiles355 tiles350 tiles400 tiles12. 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 = 18 m, A = 88 m²P = 15.3 m, A = 8.82 m²P = 6.3 m, A = 12.5 m²13. Find the area of a square with side 7 cm.35 cm²49 cm²14 cm²343 cm²10 cm²14. The area of a triangle ABC is 18 cm² and the base is 6 cm. Calculate the height of the triangle.18 cm9 cm2 cm4 cm6 cm15. Find the area of a parallelogram whose base and height are 46 cm and 12 cm respectively.276 cm²116 cm²552 cm²58 cm²16. The area of a rectangle is 40 cm² and one side is 8 cm long. Find its perimeter.26 cm20 cm16 cm40 cm32 cm17. A square field has a perimeter of 48 m. Find the area of the field.24 m²48 m²12 m²96 m²144 m²18. In the isosceles trapezoid ABCD we know: AB||CD, |CD| = c = 8 cm, height h = 7 cm, |∠CAB| = 35°. Find the area of the trapezoid.31.53 cm²47.54 cm²12.73 cm²69.98 cm²19. The perimeter of a football field is 102 cm. Find the length of the field if its breadth is 24 cm.12 cm27 cm48 cm51 cm63 cm20. Calculate to the nearest whole number the perimeter of a circle whose radius is 6cm.37 cm38 cm36 cm39 cm21 out of 20Time is Up!