A round cake of radius 10 cm has a large slice cut out of it. If the angle subtended by the two cuts at the centre is 0.8724 and the cake is 8cm high, calculate the volume of the slice taken.

Plzzz answer both questions and i will give you 100 points

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)