ΔPQR is isosceles with PQ = PR = 8.5 cm and QR = 7.5 cm. The height PS from P to QR, is 8 cm. Find the area of ΔPQR. What will be the height from R to PQ i.e., PT?
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Step-by-step explanation:
area of a triangle = ½b*h
=> ½*7.5*8
=>30cm
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