Area, Perimeter, and Polygons

Front

What is the formula for area of a square?

Back

A = s², where s is the length of a side.

Front

What is the formula for perimeter of a rectangle?

Back

P = 2(l + w), where l is the length and w is the width.

Front

What is a polygon?

Back

A polygon is a closed figure with straight sides.

Front

How many sides does a triangle have?

Back

A triangle has 3 sides.

Front

What is the perimeter of a square with side length 4 cm?

Back

P = 4 × 4 = 16 cm.

Front

What is the area of a rectangle with length 5 cm and width 3 cm?

Back

A = l × w = 5 × 3 = 15 cm².

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is the formula for the area of a triangle?

Back

A = 1/2 × b × h, where b is the base and h is the height.

Front

What is the perimeter of a trapezoid?

Back

Add the lengths of all four sides.

Front

What is the difference between area and perimeter?

Back

Area measures the space inside a shape; perimeter measures the distance around a shape.