Angle Relationships and Similar Triangles

Find the missing angle using the Triangle Sum Theorem.

• 25 degrees

• 137 degrees

• 43 degrees

• 34 degrees

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

Name the sides from SMALLEST to LARGEST

• RS, ST, TR

• ST, RT, RS

• RT, ST, RS

• RT, RS, ST

In the triangles shown, angle E ​ (a)   angleB​

• >

• =

• <

Quinn made a statement about the triangle shown. Determine whether his statement is true or false.

​ (a)  

• True

• False

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

The Angle-Angle Similarity (AA ~) Theorem states if two angles of one triangle are _______________ to two angles of another triangle, then the triangles are ____________________.

• adjacent; equal

• complementary; scalene

• congruent; similar

• supplementary; isosceles

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Which of the following angles are remote interior angles to angle d?

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

• Angle a and Angle b and Angle c