Answer:
81
Step-by-step explanation:
It is between the first two I believe it is the first one I am not absolutly sure though
Answer:
x=-36
Step-by-step explanation:
x/4+10=1
x/4= -9
x= -36
Answer:
isosceles triangle
Step-by-step explanation:
the shape of cross section is isosceles triangle
Answer:
16 square units
Step-by-step explanation:
The area of the large triangle is
A = 1/2 bh
A = 1/2 (9) * 8 = 36
The area of the small triangle is
A = 1/2 bh
A = 1/2 (8) (5) = 20
The difference is the shaded region
A = 36-20 = 16