Geometry Intro Review

A right triangle has one angle that measures _______ and two acute angles.

• 90°

• less than 90°

• more than 90°

• 180°

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

• Acute Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

Given the perimeter, find the missing side-length.

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

The perimeter of an isosceles triangle is 23 cm. What is the measure of side x?

What is the name of a three sided polygon?

• Triangle

• Quadrilateral

• Giraffe

• Decagon

What is the name of a eight sided polygon?

• Hexagon

• Octagon

• Triangle

• Octupus

What is the name of a seven sided polygon?

• Quadrilateral

• Dog

• Septagon

• Octagon

What are the coordinates of point C?

• 4

• (1, 3)

• (3, -1)

• (-1, 3)