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Question

In the given rectangle PQRS as shown,
The area of the right angle triangle PQS is ____ ft.

A
32
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B
36
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C
42
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D
48
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Solution

The correct option is D 48
From the rectangle PQRS,
Length(l) = 12 ft
Breadth(b) = 8 ft

Area of rectangle PQRS = l×b
=12×8
=96 sq.ft

Let the area of right angle triangle PQS be y ft.

We know,
Diagonal divides the rectangle into two equal/congruent right angle triangles.
i.e
Area of triangle PQS + Area of triangle PQS = Area of rectangle PQRS

y+y=96
2y=96

Area of triangle PQSy=48 sq.ft

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