Question

Draw a graph for the radius and circumference of circle using a suitable scale. From the graph,
1. Find the circumference of the circle when radius is 42 cm.
2. At what radius will the circumference of the circle be 220 cm ?​​

Answer 1

Answer:

1) circumference is 264 cm

Step-by-step explanation:

circumference of a circle = 2πr

= 2 x 22/7 x 42

= 2 x 22 x 6

= 264 cm