Thread: Help me geometric problem

An isosceles triangle and a rectangle share a common base . the area of the rectangle is 5 times the area of the triangle . If the area of the triangle is 60 centimeter square . and its height is 5cm .find the dimensions in centimeters of the rectangle.

Thanks

Sri

The area of the triangle is and the height is which means . Solving for the base length we get . Since the rectangle has an area 5 times that of the triangle its area is 300. But area of a rectanlge is base times height. We know the base if therefore the height must be