Classifying Triangles

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

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

An isosceles triangle has _________ equal sides.

• one

• two

• three

• four

Tags

CCSS.4.G.A.2

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

• 90°

• less than 90°

• more than 90°

• 180°

Tags

CCSS.7.G.B.5

An ____________ triangle has three equal sides.

• isosceles

• equilateral

• scalene

Tags

CCSS.4.G.A.2

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

• less than

• exactly

• more than

Tags

CCSS.4.G.A.2

A _________ triangle has no equal sides.

• scalene

• isosceles

• equilateral

Tags

CCSS.4.G.A.2

Which type of triangle is pictured?

• A

• B

• C

• D

Tags

CCSS.4.G.A.2

Which type of triangle is pictured?

• A

• B

• C

• D

Tags

CCSS.4.G.A.2

Triangle FGH is equilateral. Find x.

• x = 9

• x = 1

• x = -7

• x = -9

Triangle ABC is an isosceles triangle with AB = BC. Find the measure of AC.

• 4

• 13

• 6

• 8