If two equal sides of an isosceles trianle is of 20cm and the angle between them is 45degree then find area
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the area of triangle is 0.5 × a × a × sinC
here a is 20 and b is 20 and C is 45
so area is 100×root(2)
here a is 20 and b is 20 and C is 45
so area is 100×root(2)
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