Construction of a Rectangle When One Side and One Diagonal Are Given.
In the given ...
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 =96sq.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