A circular table top has diameter 140 cm. Calculate the area of the table top in cm² , giving your answer as a multiple of π.

Area of a circle = π r²

r = (1/2) d = (1/2) * 140 = 70

area         = π * (70)²

                = 4900 π cm²

SM

Related Maths GCSE answers

All answers ▸

Using the diagram and your knowledge of vectors, show that BCD is a straight line


At a school number of boys : number of girls = 9 : 7 There are 116 more boys than girls. Work out the total number of students at the school.


Can you explain how to find straight line equations?


each month Rohan spends all his income on rent, travel and other living expenses. 1/3 of his income is used for rent, 1/5 on travel and £420 on other living expenses ... work out his income each month