Answer:
100 ft²
Explanation:
The area of the shaded region is the area of the outer triangle minus the area of the inner triangle.
For a triangle,
A = bh/2
A = 13 × 20/2 + 10 × 6/2
A = 130 - 30
A = 100
Answer: 100 ft²
Answer: 100
20*13 = 260
260/2 = 130
10*6 = 60
60/2 = 30
130-30 = 100
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