Question

plss solve correctly 3 (I)
use =3.14
​

Answer 1

Step-by-step explanation:

I)perimeter of quadrant= πr/2+2r = (3.14×2)by2 + 2×2

= 3.14+4 = 7.14cm

ii)perimeter of inner rectangle=2×(4+2)=12cm

perimeter of triangle=2+2+2=6cm

perimeter of semicircle=πr+2r = 3.14×2 + 2×2 = 10.28cm

therefore, 12+6+10.28= 18.28cm

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