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Question -

PQRS is a trapezium having PS and QR as parallel sides. A is any point on PQ and B is a point on SR such that AB || QR. If area of ╬ФPBQ is 17cm2, find the area of ╬ФASR.



Answer -

Given: Here from the given figure we get
(1) PQRS is a trapezium having PS||QR
(2) A is any point on PQ
(3) B is any point on SR
(4) AB||QR
(5) Area of яГДBPQ = 17 cm2
To find : Area of ╬ФASR.

Calculation:┬аWe know that┬атАШIf a triangle and a parallelogram are on thesame base and the same parallels, the area of the triangle is equal to half thearea of the parallelogramтАЩ

Here we can see that:

Area (╬ФAPB) = Area(╬ФABS) тАжтАж (1)

And, Area (╬ФAQR) = Area(╬ФABR) тАжтАж (2)

Therefore,

Area (╬ФASR) = Area(╬ФABS) + Area (╬ФABR)

From equation (1) and(2), we have,

Area (╬ФASR) = Area(╬ФAPB) + Area (╬ФAQR)

тЗТ┬аArea (╬ФASR) = Area (╬ФBPQ) = 17 cm2

Hence, the area of thetriangle ╬ФASR is 17 cm2.

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