A circular cake tin has radius 20 cm and height 7 cm
MATHEMATICS · Multi-part · CBSE · Mathematics · Surface Areas and Volumes · Surface Areas and Volumes
Problem
A circular cake tin has radius 20 cm and height 7 cm. When cake mix was added to the tin, its depth was 2 cm. After the cake was cooked it rose to 1.5 cm below the top of the tin.
(1) a Sketch these two situations.
(2) b Find the volume of:
i the cake mix
ii the cooked cake.
(3) c What was the percentage increase in the volume of the cake while it cooked?