Jason bought a bookcase on sale for $540, which was three-fourths the original price. What was the orignal price of the bookcase?

first one because it can't have a fraction in it

step-by-step explanation:

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

its adding 5.5 each time

step-by-step explanation: