Answer:
99.4 yd²
Explanation:
The area (A) of a triangle is calculated using the formula
A = bh ( b is the base and h the perpendicular height )
here b = 28 and h = 7.1, hence
A = 0.5 × 28 × 7.1 = 99.4 yd²
Area of a triangle = (h × b) ÷ 2, where h is height and b is the base.
7.1 × 28 = 198.8
198.8 ÷ 2 = 99.4
The area of this triangle is 99.4 yd²
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bh ( b is the base and h the perpendicular height )