
so, plus or minus? well, the angle is in the 1st quadrant, and on that quadrant, both cosine and sine are positive, so 4 = b
Answer:
Pyramid Volume = (Area of Base * Height) / 3
height = side
Pyramid Volume = (side * side * side) / 3
Pyramid Volume = (side ^ 3) / 3
That's the answer. I don't know which of your answers equals that.
Pyramid Volume formula located here: http://www.1728.org/volpyrmd.htm
Step-by-step explanation:
3(2x^3+3y^2) (2x^3 -3y^2)
69 is the width. hoped this help! :)