Area/Perimeter/Pythagorean Theorem

Front

What is the definition of the hypotenuse in a right triangle?

Back

The hypotenuse is the side opposite the right angle.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What is the Pythagorean Theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

How do you find the area of a triangle?

Back

Area = 1/2 × base × height.

Front

What is the formula for the area of a circle?

Back

Area = π × radius².

Front

What is the formula for the circumference of a circle?

Back

Circumference = 2 × π × radius.

Front

How do you find the area of a composite shape?

Back

Divide the shape into simpler shapes, calculate their areas, and sum them.

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back

The sides are in the ratio 1 : √3 : 2.

Front

What is the relationship between the sides of a 45-45-90 triangle?

Back

The sides are in the ratio 1 : 1 : √2.