Flashcardziz Math Introduction

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape, calculated by adding the lengths of all its sides.

Front

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

Back

Area = length × width.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width).

Front

What does it mean for two lines to be perpendicular?

Back

Two lines are perpendicular if they intersect at a right angle (90 degrees).

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides and four angles.

Front

How many degrees are in the angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

What is the difference between area and perimeter?

Back

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

Front

What is a rectangle?

Back

A rectangle is a quadrilateral with opposite sides that are equal in length and four right angles.

Front

What is the area of a rectangle with a length of 5 cm and a width of 2 cm?

Back

Area = 5 cm × 2 cm = 10 square cm.

Front

If a rectangle has a length of 8 inches and a width of 5 inches, what is its perimeter?

Back

Perimeter = 2 × (8 inches + 5 inches) = 26 inches.