Area Formulas

Front

What is the formula for the area of a square?

Back

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

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

How do you find the diameter of a circle?

Back

Multiply the radius by 2.

Tags

CCSS.7.G.B.4

Front

What is the formula for the area of a parallelogram?

Back

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

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a circle?

Back

A = π(r²), where r is the radius.

Tags

CCSS.7.G.B.4

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.

Tags

CCSS.6.G.A.1

Front

What does 'A' represent in area formulas?

Back

A represents the area of the shape.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the relationship between radius and diameter?

Back

The diameter is twice the radius.

Tags

CCSS.7.G.B.4

Front

What is the formula for the area of a rectangle?

Back

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

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

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.

Tags

CCSS.6.G.A.1

Front

What is the value of π (Pi) approximately?

Back

π is approximately 3.14.

Tags

CCSS.HSG.GMD.A.1