Answer:
A = 140 in²
Step-by-step explanation:
The area (A) of the triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )
here b = 20 and h = 14 , then
A = [tex]\frac{1}{2}[/tex] × 20 × 14 = 10 × 14 = 140 in²