Answer:
34
Step-by-step explanation:
Plug in 12 in place of b
10+b+b
10+12+12
34
Answer 415
Step-by-step explanation:
Answer:
The answer to your question is C :)
Use the equation for the area of a triangle:

where A = area, h = height of the triangle, and b = base of the triangle.
You know that h=18m and A=99

. Plug those values into the equation and solve for b, the base.
The base is 11m long.
Answer:
Step-by-step explanation:
