Question
If angle between two sides of 3 cm & 2 cm of a triangle
is 30°. what is the area of the triangle ?Solution
Area of the triangle = 1/2 X a X b X Sin θ  where ɵ is the angle between two sided a & b of the triangle; So Area of the triangle  = 1/2 X a X b X Sin θ   = 1/2 X a X b X sin 300 = 1/2 X 3 X 2 X 1/2 = 3/2 cm2
Among given word pairs, three bear a certain common relationship. Choose the pair in which the words are differently related.
Unicode provides:
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