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Which of the following graph indicates the graph of {(sin t, cos t):- π/2 ≤ t ≤ 0} in xy-plane ?

August 17, 2021

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August 17, 2021

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Answer : C. b

Geometry

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In triangle PQR, PQ = 6 cm, PR = 8 cm, and QR = 12 cm. Calculate the area of the triangle PQR ?

August 17, 2021

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August 17, 2021

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0 155

Answer : C. 21.33 cm2

Geometry

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