this is ur answer i hope u do well good luck:
The formula for the volume of pyramid is,

Here, B is base area and height of pyramid.
The volume expression for group 4 is,

Here, expression,

represents the base area and 9 represent the height of pyramid.
So height of the pyramid created by group 4 is 9.
Answer: 9
Answer:
The angle is 52 degree.
Step-by-step explanation:
length of of side, L = 8
Hypotenuse, H = 13
According to the trigonometry,

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