In the diagram above, QR // TS, QR : TS = 2.3, Find the r...
In the diagram above, QR // TS, QR : TS = 2.3, Find the ratio of the area of triangle PQR to the area of the trapezium QRST.
4:9
4:5
1:3
2:3
Correct answer is B
h1 = h1+h21.5 = h1h2=2
A△PQRATP(QRST)=12×2×h112×h2(2+3)
25×h1h2=25×2
= 45
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