Question

How to find perimeter and diameter of asemicirlle if a radius is 15cm

Answer 1

Answer:

2 cm. B.

4 cm. C.

6 cm. D.

8 cm. Answer. Correct option is. C.

6 cm. Perimeter =15 cm. Perimeter of the semicircle = 2πd+d. 15=23d+d. 15×2=3d+2d. 30=5d. d=6cm.

Answer 2

Answer:

6 cm is an ans . .... .... ...