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# What is the perimeter of a car tyre with a diameter of 49 cm? (Take $$\pi$$ = 22...

### Question

What is the perimeter of a car tyre with a diameter of 49 cm? (Take $$\pi$$ = 22/7)

A) 308 cm

B) 98 cm

C) 147 cm

D) 154 cm

## Dicussion (1)

• Ogunbayo Roqeebat

Perimeter=2πr
Diameter= 49cm. But radius= diameter/ 2= 49/2cm
Perimeter=2πr
= 2X(22/7)X49/2cm
Perimeter= 2X11X7cm
=154cm