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Question
The length and the breadth of a rectangle are 6 cm and 4 cm respectively. Find the height of a triangle whose base is 6 cm and the area is 3 times that of the rectangle.
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Solution
Area of the rectangle is given by
A = l x b
= 6 x 4
= 24 sq . cm
Let h be the height of the triangle ,then
`1/2 xx "base" xx h = 3"A"`
`1/2 xx 6 xx h = 3 xx 24`
h = 24 cm
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