Question

find QR,if area and altitude PS of ∆PQR are given​

Answer 1

Answer:

area of triangle = 1/2 ×b×h

111 ×2 = QR × 12

222 = QR

QR = 222/12

QR = 111/6

QR = 18.5 cm

Answer 2

Answer:

it's quite simple

AREA OF TRIANGLE = (BASE × HEIGHT) / 2

THEREFORE , 111 = 12X / 2 (take base as x)

THEREFORE 111×2 = 12X

THEREFORE 222 = 12X

THEREFORE X = 222/12

THEREFORE X = 18.5 CM.

hope it helps

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