Question #221198

The base edges of a right parallelepiped whose altitude is 8 in., measures 12 in. and

15 in. If the angle included by these edges is 135°, find the volume and the total

surface area of the solid



1
Expert's answer
2021-09-15T02:58:00-0400

Volume == L×\times W×\times H

8×\times 12×\times H(( cosΘ\Theta ))

8×\times 12×\times (( 0.7071×\times 15))

Answer is:

1018.234in3^{3}

Area;

A== 2(( ab+ac+bc))

2 (( 8×\times 12)) +(+( 8×\times 15)+)+ (( 12×\times 15))

2(( 96 ++ 120++ 180))

Answer is;

796in2^{2}


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