Question

find the area of triangle formed in a semicircle having radius 20 CM​

Answer 1

Answer:

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Step-by-step explanation:

Assuming the triangle in the middle has a height the radius of the circle and base as the diameter of the circle, you can calculate the area for the triangle by squaring the radius and the area of the remaining semi-circle by doing pi times the radius squared minus two times the radius squared divided by two.

Answer 2

Answer:

AREA OF TRIANGLE = 1/2 × 40× 20 = 400 CM^2

Step-by-step explanation:

AREA OF TRIANGLE = 1/2× base × height

where,r = 20 cm and d = 2r = 40cm

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