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प्रश्न
The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is ______.
पर्याय
11
22
33
21
MCQ
रिकाम्या जागा भरा
उत्तर
The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is 11.
Explanation:
Required area = `1/2`[1(3 + 4) -2(-4 – 2) -3(2 – 3)]
= `1/2`[7 + 12 + 3]
= `1/2 xx 22`
= 11
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