Respuesta :

Answer:

8 or 9?

Step-by-step explanation:

where is the base? where is the perimeter?

1/2 bh is area of triangle.

A = 1/2 b h

36 = 1/2 b h

36 × 2 = b h

72/b = h we don't know the base so..

72/9 = 8 or

72/8 = 9

another possible.. for A) B) D)

72/18 = 4

72/ 36 = 2

72/ 4.5 = 16