Question
If a triangle with base 4 cm has the same area as a
circle with radius 4 cm, then the corresponding altitude (in cm) of the triangle is:ΒSolution
Using formula Area of triangle = 1/2 x base x height and Area of circle = Οr2, Let the corresponding altitude of the triangle = a cm. According to the question, Area of the triangle = Area of the circle β 1a/2 x 4 = Ο x 4 x 4 βa = 2 x 4 Ο βa = 8 Ο cm
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