A diagonal of a pentagon having length 10 cm divides it into a triangle and a rectangle. If the area of the pentagon is 70 cm and the breadth of the rectangle is 5 cm, then the height of the triangle is what?
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Step-by-step explanation:
Area of Pentagon = Area of Rectangle + Area of Triangle
= Length * Breadth + 1/2 * Base* Height
70 = 10 * 4 + 1/2* 10*h
=> 5h = 30
=> h = 6 cm.
Thus height of triangle is 6 cm.
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