Question

sudhanshu divides a circular disc of radius seveb cm in teo equal parts.find it s perimeter pf ech disc

Answer 1

given
radius =7cm
now question ask disc cut into two equal part .
perimeter of each half disc =1/2 (2pi.r)+2r
=pi.r+2r
=22/7 x 7 + 2 x 7
=22 +14=36 cm

Answer 2

<math>Perimeter= 22/7 × (7×2)</math>

<math>=22/7 × 14</math>

<math>=44</math>

So, because we Need half, divide it with 2.

<math>44/2</math>

<math>=22</math>

Hope it helps you!