Answer:
8
Step-by-step explanation:
The base of the triangle is 7+h
The area is 60
Height is h
Area of a triangle = 1/2 ×base×height
60= 1/2 × (7+h)h
60= 1/2 × 7h + h^2
120= 7h + h^2
h^2 + 7h-120= 0
(h-8)(h+15)= 0
h-8=0
h+15=0
h= 0+8= 8, h= 0-15= -15
Hence the height of the triangle is 8
