Asked by Sasha Kapadia

i needhelp!!!
how do you find the surface area of a cake that has a piece cut out?????

Answers

Answered by Steve
the area of a sector is 1/2 r^2 θ
So, the volume of the cake slice of height h is

1/2 r^2 θh

subtract that from the volume of the cake, which is pi r^2 h

v = r^2 h (pi-θ/2)
Answered by Sasha Kapadia
Nooooooo
Like do you subtract the wedge and then add the two rectangles?
I have no idea what you said
Please be clear next time
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