THANK YOU.
Answer:
Step-by-step explanation:
A = base *h /2
A = (4*15/2 )/2 = 15 in²
A = (1 and 3/7 *14/5 )/2 = (10/7 * 14/5 )/2 = 2 in²
A= (5 and 2/7 * 7/2) /2 = (37/7 * 7/2)/2 = 9.25 in²
area = 2236 in²
area of a triangle = 1/2 b h
b = 86
h = 52
plug in values
area = 1/2 * 86 * 52
