Area Formulas

Front

What is the formula for the area of a square?

Back

A = s², where s is the length of a side.

Front

How do you find the diameter of a circle?

Back

Multiply the radius by 2.

Front

What is the formula for the area of a parallelogram?

Back

A = bh, where b is the base and h is the height.

Front

What is the formula for the area of a circle?

Back

A = π(r²), where r is the radius.

Front

What is the formula for the area of a trapezoid?

Back

A = 1/2(h)(b₁ + b₂), where h is the height, b₁ and b₂ are the lengths of the two bases.

Front

What does 'A' represent in area formulas?

Back

A represents the area of the shape.

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the radius.

Front

What is the formula for the area of a rectangle?

Back

A = lw, where l is the length and w is the width.

Front

What is the formula for the area of a triangle?

Back

A = 1/2(bh), where b is the base and h is the height.

Front

What is the value of π (Pi) approximately?

Back

π is approximately 3.14.