Question

The radius of a circle that is 15.4cm squared

Answer 1

Answer:

Step-by-step explanation:

The circumference of circle=2πr

2×22/7×15.4

484/5

96.8cm

The perimeter of 2 semi circle=2(πr+2r)

2(22/7×15.4+2×15.4)

2(79.2)

158.4cm

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