Question

find the area of the largest triangle that can be inscribed in semicrcle of radius 21​

Answer 1

Answer:

Area = 441cm²

Step-by-step explanation:

Radius of semicircle = 21cm

∴Maximum height possible for triangle = 21cm

Maximum base length possible for triangle = diameter = 21*2 = 42cm

∴Area of triangle = 1/2bh = 1/2*42*21 = 21*21 = 441cm²

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