Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is?

• A. 2x
• B. 4x
• C. x
• D. x/2

Answer: (A)

Let h be the altitude of triangle.So area of triangle = (1/2)xh area of square = x2From question area of square = area of triangle x2 = (1/2)xh ? h = (2x2)/x = 2x