Question

The diameter of circle is 28 m .Find radius and circumference?​

Answer 1

Answer:

radius will be 14cm and circumference will be 88 cm

Answer 2

Solution!!

The diameter of a circle is given in the question. We have to find the radius and the circumference of the circle. While solving these questions, you must know the formulae and pay attention to the units.

→ Diameter = 28 m

Diameter of a circle is two times the radius. So, radius is half the diameter.

→ Radius = Diameter ÷ 2

→ Radius = 28 m ÷ 2

→ Radius = 14 m

Now that we know the radius, we can easily find the circumference of the circle.

→ Circumference = 2πr

→ Circumference = 2 × (22/7) × 14 m

→ Circumference = 2 × 22 × 2 m

→ Circumference = 88 m

Hence, the radius and circumference of the circle are 14 m and 88 m, respectively.