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