If the radius of semi circle is "r" , find the largest triangle inside the semi circle
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Step-by-step explanation:
The area of a triangle is equal to the base times the height.
In a semi circle, the diameter is the base of the semi-circle.
This is equal to 2×r (r = the radius)
If the triangle is an isosceles triangle with an angle of 45
at each end, then the height of the triangle is also a radius of the circle.
A = 2 /1 ×b×h formula for the area of a triangle becomes
A = 2 /1 ×2×r×r because:
The base of the triangle is equal to 2×r
The height of the triangle is equal to r
A = 2 /1 ×2×r×r becomes:
A = r 2
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