Area of polygons

Front

What is the formula for the area of a trapezoid?

Back

A = 1/2(h)(b1 + b2)

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a rectangle?

Back

A = bh

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a parallelogram?

Back

A = bh

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a triangle?

Back

A = 1/2(bh)

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a circle?

Back

A = πr²

Tags

CCSS.7.G.B.4

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape, while perimeter measures the distance around a shape.

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 square?

Back

A = s² (where s is the length of a side)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a rhombus?

Back

A = 1/2(d1 * d2) (where d1 and d2 are the diagonals)

Tags

CCSS.6.G.A.1

Front

What is the formula for the area of a regular polygon?

Back

A = (1/2) * Perimeter * Apothem

Tags

CCSS.6.G.A.1