Question

Here are two sectors from different circles.
Which sector has the bigger area?
Show working

Answer 1

Step-by-step explanation:

area of sector for 1st fig ÷

x/360 × pie × (1.5r)^2

x/360 × 22/7 × 2.25r^2

x/360× 7.07r^2

= 0.0196xr^2

now 2nd fig

2x/360 × pie r^2

x / 180 × 22/7 × r^2

22 xr^2 /180×7

22 xr^2/1260

0.0174 xr^2

Therefore fig 1 has bigger area