Chapter 5: Triangles

Solve for x.

• 5
• 12
• -7
• -6

Name this triangle

• Acute, Scalene
• Obtuse, Scalene
• Right, Isosceles
• Acute, Equilateral

Classify the following triangle in as many ways as possible. 

• Right, Equilateral
• Obtuse, Scalene
• Obtuse, Equilateral
• Right, Scalene

Which type of triangle is pictured?

• Equilateral Triangle
• Right Isosceles Triangle
• Obtuse Scalene Triangle
• Obtuse Equilateral Triangle

Find the measure of each angle indicated. 

• 139°
• 66°
• 138°
• 116°

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

.
.
.
.
What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

Find the value of X

• 83

• 97

• 180

• 132

Find the value of y

• 100

• 180

• 40

• 50

Find the value of y.

• 180

• 19

• 9

• 4.5