Question

What is the radius and diameter of the following circle?​

Answer 1

radius=4.2

diameter=8.4

Explanation:

Answer 2

r = 4.2 cm; d = 8.4 cm

Explanation:

The radius is the distance from the centre of the circle to the circumference.

r = 4.2 cm

The diameter is the length of a straight line that passes through the centre with each end at the circumference.

d = 2r = 2 × 4.2 cm = 8.4 cm