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Sunny_sXe [5.5K]
3 years ago
5

Find the area of triangle PQR if PQ = QR = 12 and angle PQR = 120

Mathematics
1 answer:
Leona [35]3 years ago
3 0

Answer:

36√3 unit square

Step-by-step explanation:

A=1/2(ab)sin120

A=1/2(12*12) sin120

A=72*√3/2=36√3 unit square

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Step-by-step explanation:

7 0
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