Question

Work out the area of a circle with diameter 1.8cm.
Take pi to be 3.142 and give your answer to 1 decimal place

Answer 1

2.5 cm

Step-by-step Explaination:

Diameter = 1.8 cm

Radius (r) = 1.8/2 = 0.9

According to formula...

Area of circle = π(r)^2

= 3.142 * 0.9 * 0.9

= 2.54502 cm

• Answer to 1 decimal place :-

• 2.5 cm...ans

Hope it helps you!!