3.1 Review

Classify the triangle shown.

• Acute, Scalene

• Obtuse, Scalene

• Right, Isosceles

• Acute, Equilateral

Classify the triangle shown.

• A

• B

• C

• D

Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

How many acute angles must an acute triangle have?

• 2

• 1

• 4

• 3

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

Find the measure of each angle indicated. 

• 139°

• 66°

• 138°

• 116°

• acute

• obtuse

• right

Solve for x.

• 16

• 11

• 50

• 6

Find the measure of angle C.

• 34 degrees

• 46 degrees

• 62 degrees

• 36 degrees

Find the measure of the indicated angle.

• 95 degrees

• 85 degrees

• 35 degrees

• 45 degrees