A council reviews the number of bedrooms in 40 houses located in the same area the table shows the information gatherd
work out the mean number of bedrooms
number of bedrooms - frequency

1 5

2 10

3 15

4 7

5 3

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

b

step-by-step explanation: