Perimeter of Polygons Trig

What is the length of the missing side?

• 1km

• 2km

• 3km

• 5km

Find the missing side length! What is the perimeter?

Find the perimeter.

• Perimeter = 80 units

• Perimeter = 84 units

• Perimeter = 74 units

• Perimeter = 85 units 

What is the length of side S?

• 2m

• 11m

• 15m

• 9m

Find the perimeter of the triangle.

• 21.15 f

• 20.2 ft

• 26.7 ft

• 22 ft

Find the length of the missing side of the shape. The perimeter is 18 inches.

• 6 centimeters

• 9 inches

• 6 inches

• 12 centimeters

The United States Department of Defence operates out of 'The Pentagon', named after its equilateral polygon shape.

Ivana wants to find the perimeter of The Pentagon by walking along one side. She knows that every step she takes is 0.8 metres. It takes her 350 steps to cover one side-length of The Pentagon. What is the perimeter of the entire building?

• 1750 m

• 1404 m

• 1400 m

• 2188 m

Jonathan has an octagon dog pen at home that is 16 feet long when stretched out from end to end. When he shapes it back into an octagon, what is the length of one side?

• 2 feet

• 4 feet

• 2.7 feet

• 2.3 feet

Given this beautiful yellow triangle, what is the perimeter of the triangle in metres?

A square measuring 9 cm per side has the same perimeter as an equilateral triangle. What is the measure of each side of the triangle?

• 12 metres

• Prince Harry

• 6.75 cm

• 12 cm