40 m
75
50 m
9. Find the area of the following quadrilateral ABCD.
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Step-by-step explanation:
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Answer:
We know area of triangle is
1/2 × base × height
Area of ABCD = Area ∆ ADC + Area ∆ ABC
= 1/2 × 40 × 75 + 1/2 × 50 × 75
= 75/2 ( 40 + 50) m²
= (75/2) × 90 m²
= (75 × 45) m²
= 3375 m²
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