Unit 10 Review

Find the measure of each angle indicated. 

• 33°
• 136°
• 36°
• 31°

The Triangle Inequality Theorem states the sum of the lengths of any two sides of a triangle is ________________ the length of the third side.

• greater than
• less than 
• equal to

Which set of side lengths will NOT make a triangle?

• 3, 4, 5

• 1, 3, 4

• 3, 5, 7

• 2, 8, 9

How many triangles exist with the following angle measures?

80°, 50°, 50°

• No triangle exists with the given angle measures.

• More than one triangle exists with the given angle measures.

• Exactly one unique triangle exists with the given angle measures.

How can we describe a triangle with side lengths of 3 cm, 4 cm, and 5 cm?

• uniquely defined

• ambiguously defined

• nonexistent

How can we describe a triangle with angles measuring 60°, 60°, and 60°?

• nonexistent

• uniquely defined

• ambiguously defined

• obtuse

Which set of side lengths will make a triangle?

• 6, 8, 13
• 7, 9, 18
• 7, 7, 14
• 2, 6, 9

How can we describe a triangle with sides measuring 3 cm, 5 cm, and 9 cm?

• nonexistent

• uniquely defined

• ambiguously defined

How can we describe a triangle with angle measures 100°, 100°, 50°?

• nonexistent

• ambiguously defined

• uniquely defined

Which angles are vertical angles?

• $\angle8\ \ and\ \angle7$

• $\angle8\ and\ \angle6$

• $\angle8\ and\ \angle5$