8 questions
The area of a square with side length x is
x2
x
x/2
2x
The area of a square with diagonal length x is
x2
x2 / 2
2x2
x/2
The area of an isosceles right triangle with leg length x is
x2
x2 / 2
x2 / 4
2x2
The area of a circle with radius x is
πx2
x2
πx2 / 2
πx2 / 4
The area of a circle with diameter x is
πx2
x2
πx2 / 2
πx2 / 4
The area of a semicircle with radius x is
πx2
x2
πx2 / 2
πx2 / 4
The area of an equilateral triangle with side length x is
x2
x2 / 4
x2 √3/ 4
4x2 √3
The area of an isosceles triangle with base x and whose height is double the base is
x2
x2 / 2
2x2
x / 2