Question

(b)Find the perimeter of the following shape.​

Answer 1

Step-by-step explanation:

Perimeter:14cm+14cm + pi r + pi r( we are taking pi r for taking circumference/ perimeter of two semicircles , perimeter of circle= 2 pi r , semicircle perimeter= 1/2×2pi r = pi r)

: first find out pi r

given diameter is 7 cm, radius is 7÷2=3.5

pi r = 22/7×3.5=11

Total perimeter: 14cm+14cm+11cm+11cm

: 50cm

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