Answer:
28 cm²
Step-by-step explanation:
The area (A) of a triangle is calculated as
A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )
Here b = 7 and h = 8 , thus
A = [tex]\frac{1}{2}[/tex] × 7 × 8 = [tex]\frac{1}{2}[/tex] × 56 = 28 cm²