Question

Work out the area of this circle. Take pi to be 3.142 and give your answer to 1 decimal place radius is 4cm

Answer 1

Area formula: pi * r^2
Given pi = 3.142 and r = 4
Plug in the values
Area = 3.142 * 4^2
Area = 3.142 * 16 = 50.272
Round to nearest 1 decimal place

Solution: 50.3 cm^2