Question

A cellar in the shape of a trapezoid is used to store cylindrical barrels of wheat that have a radius of 6 in. If the wheat barrels are stored in the cellar right up against the walls in this way, how much of the floor of the cellar won’t be covered by wheat barrels?

Answer 1

picture

Answer 2

help

Answer 3

help!

Answer 4

Take the Area of one barrel A=πr^2 and multiply it by the number of barrels in the picture (12) then find the area of the trapezoid:
and then take the Area of the Trapezoid and subtract the sum of the areas of the barrels from it.