Answer:
A = 25 ft²
Explanation:
the area (A) of a triangle is calculated as
A = bh ( b is the base and h the perpendicular height )
here b = 10 and h = 5 , then
A = × 10 × 5 = 5 × 5 = 25 ft²
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bh ( b is the base and h the perpendicular height ) × 10 × 5 = 5 × 5 = 25 ft²