Question

can anyone solve this.?​

Answer 1

Step-by-step explanation:

(a) Perimeter = 11+9+9= 29cm

(b) Perimeter = Circumference/2 +2r =2πr/2 + 2r

=πr +2r = 12×3.14 + 2×12

=37.68+24

=61.68

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Answer 2

Answer:

This is perimeter of semicircle.