CBSE Class 9 Answered
pqrs is a quadrilateral .a line through s parallel to pr meets qr produced in x show that ar pqrs ={triangle pxq}
Asked by Muralivenkatavarathan | 11 Apr, 2017, 05:55: PM
Expert Answer
ΔPRS and ΔPRX are on the same base PR and between the same parallels as PR is parallel to SX.
So, ar(ΔPRS) = ar(ΔPRX)
On adding ar(ΔPQR) to both sides, we get
ar(ΔPRX) + ar(ΔPQR) = ar(ΔPRS) + ar(ΔPQR)
ar(ΔPQX) = ar(quad. PQRS)
Answered by | 11 Apr, 2017, 06:02: PM
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