Proving and Using Geometric Properties

What type of triangle is this?

• Equilateral
• Isosceles
• Scalene
• Obtuse

Which would be the best classification for the triangle shown?

• acute isosceles
• equiangular scalene
• equiangular isosceles
• equiangular equilateral

Find the missing angle.

• 28
• 18
• 38
• 22

Find the value of x. 

• 13
• 5
• 55
• 54

∠1 and ∠3 can best be described as - 

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Solve for x

• 20
• 25
• 120
• 180

Solve for x

• 6
• 140
• 20
• 90

Find the measure of the missing angle.

• 90^o
• 10⁰
• 130^o
• 50^o

Find the measure of angle A.

• 44^o
• 96^o
• -14^o
• 63^o

What is the measure of angle x?

• 45
• 60
• 65
• 75