EDM Unit 4 Review

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

What is a polygon?

Back

A polygon is a closed shape with straight sides, such as triangles, quadrilaterals, and hexagons.

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is the area of a rectangle with a length of 5 cm and a width of 4 cm?

Back

20 cm².

Front

What does it mean if a shape has two sets of parallel lines?

Back

It means that there are two pairs of lines that never meet and are always the same distance apart.

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What is a hexagon?

Back

A hexagon is a polygon with six sides.

Front

How many degrees are in a right angle?

Back

90 degrees.

Front

What is the perimeter of a rectangle with a length of 5 cm and a width of 4 cm?

Back

Perimeter = 2 × (length + width) = 2 × (5 + 4) = 18 cm.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.