Question

Area of the largest triangle that can be inscribed in a semi circle of radius 'r' units is......
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Answer 1

Answer:area of largest triangle = r^2

Step-by-step explanation:height of the triangle= r units

the base will be twice the radius=2r units

area of triangle= 1/2*base*height

                          =1/2*2r*r

                          =r^2

therfore area of largest triangle=r^2 unitsquare

Answer 2

Answer:

= r^2

Step-by-step explanation:

The base of the triangle will be diameter means 2r

And the height of the triangle will be r.

Area of triangle = 1/2 × base × height

= 1/2 × 2r × r

= r^2