Answer:
Step-by-step explanation:
Hence, the surface area of a triangular pyramid is 140 square units.
Answer:
C. y=11
Step-by-step explanation:
6y-6=4y+16
6y=4y+22
2y=22
y=11
Answer:
ok so i think it it a or b i don't know but hope i am right
Step-by-step explanation:
Answer:
The answer to this problem is 4
Step-by-step explanation:
It is 18 because the radius is half the diameter and 9 x 2 = 18.