Evidence Check Area and Perimeter of Polygons

Front

What is the formula for finding the area of a rectangle?

Back

Area = length × width

Front

What does perimeter mean?

Back

The distance around a shape.

Front

How do you find the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

What is the area of a triangle?

Back

Area = 1/2 × base × height

Front

What is the formula for the area of a square?

Back

Area = side × side

Front

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

Back

50 cm²

Front

If a square has a side length of 4 m, what is its perimeter?

Back

16 m

Front

What is the area of a polygon?

Back

The sum of the areas of its non-overlapping triangles.

Front

How do you find the area of a trapezoid?

Back

Area = 1/2 × (base1 + base2) × height

Front

What is the height of a triangle?

Back

The perpendicular distance from the base to the opposite vertex.