ACT CHAPTER 23 TRIANGLES

Name the smallest angle in this triangle.

• ∠A
• ∠B
• ∠C

Name the angles from SMALLEST to LARGEST

• Q, R, P
• P, Q, R
• R, P, Q
• R, Q, P

Find the missing angle TSR.

• A

• B

• C

• D

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Find the missing angle x°.

_{The figure is not drawn to scale}.

• 19

• 29

• 43

• 66

Find the measure of x in degrees.

• 21

• 132

• 153

• 27

Find the measure of x in degrees using the Exterior Angle Theorem.

• 40

• 54

• 60

• 42

Find x

• 52 degrees

• 31 degrees

• 103 degrees

• 45 degrees

• A
• B
• C
• D

• A
• B
• C
• D