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प्रश्न
The area of a triangle with vertices A(5, 0), B(8, 0) and C(8, 4) in square units is ______.
विकल्प
20
12
6
16
MCQ
रिक्त स्थान भरें
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उत्तर
The area of a triangle with vertices A(5, 0), B(8, 0) and C(8, 4) in square units is 6.
Explanation:
Area of the triangle formed by the given points A(5, 0), B(8, 0) and C(8, 4)
= `1/2 [5(0 - 4) + 8(4 - 0) + 8(0 - 0)]`
= `1/2 (-20 + 32 + 0)`
= `1/2 xx 12`
= 6 sq. units
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