Answer:
whooops no one had answered u from 50 min!
You divide everything by 2.
Your answer is
Y=1/2 + 3/2
Because a rectangular pyramid's base is square, the cross section would be as well
Answer:
92°
Step-by-step explanation:
By exterior angle theorem:

4x+(-3)=-2x-5
4x-3 = -2x-5
add 2x to each side
6x-3 =-5
add 3 to each side
6x = -2
divide by 6
x = -2/6
divide top and bottom by 2
x = -1/3