Ch 12 - Section 1

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

An acute triangle has __________ angles that each measure less than 90°.

• one

• two

• three

• four

An isosceles triangle has _________ equal sides.

• one

• two

• three

• four

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

• 90°

• less than 90°

• more than 90°

• 180°

An ____________ triangle has three equal sides.

• isosceles

• equilateral

• scalene

A _________ triangle has no equal sides.

• scalene

• isosceles

• equilateral

An obtuse triangle has one angle that measures _____________ 90°.

• less than

• exactly

• more than

Which type of triangle is pictured?

• A

• B

• C

• D

Which type of triangle is pictured?

• A

• B

• C

• D

Which type of triangle is pictured?

• A

• B

• C

• D