Evidence Check Area and Perimeter of Polygons

Front

What is the formula for the area of a rectangle?

Back

Area = length × width

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Tags

CCSS.4.MD.A.3

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 × base × height

Tags

CCSS.6.G.A.1

Front

What is the formula for the perimeter of a triangle?

Back

Perimeter = side1 + side2 + side3

Tags

CCSS.3.MD.D.8

Front

What is the definition of a polygon?

Back

A polygon is a closed figure with three or more straight sides.

Tags

CCSS.2.G.A.1

Front

What is the definition of perimeter?

Back

Perimeter is the total distance around a polygon.

Front

What is the definition of area?

Back

Area is the amount of space inside a two-dimensional shape.

Front

If a square has a perimeter of 12 cm, what is the length of each side?

Back

3 cm

Tags

CCSS.4.MD.A.3

Front

If a rectangle has a length of 10 ft and a width of 5 ft, what is its area?

Back

50 ft²

Tags

CCSS.4.MD.A.3

CCSS.3.MD.C.7B

Front

What is the height of a triangle if the base is 6 cm and the area is 12 cm²?

Back

4 cm (Area = 1/2 × base × height => 12 = 1/2 × 6 × height => height = 4)

Tags

CCSS.6.G.A.1