Question

19. Find the circumference of the circles whose diameters are 16 cm and 20 cm.​

Answer 1

Step-by-step explanation:

Radius = 8cm

Circumference= 2πr cm

= 16π cm

Radius = 10cm

Circumference= 2πr cm

= 20π cm

I hope this answer will help you....

Answer 2

Given:-

Find the circumference of the circles whose diameters are 16 cm and 20 cm.

Solution:-

[ With Simple Steps ( Just apply πD ]

πD

1) 3•14 × 16

= 50•24

2) 3•14 × 20

= 62•80 Is your Answer.

I hope your doubt is cleared.✔️