Sum of Interior Angles of a Triangle Answers

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3

What is the value of x?

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Answer not available
4

The measure of one interior angle of a triangle is 45°. What can you conclude about the other two interior angles of the triangle?

A
One of the other angles must be a right angle.
B
The sum of the measures of the other two angles is 135°.
C
The other two angles must be acute angles.
D
One of the other angles must have a measure greater than 90°.
7

Lines and are parallel. Which angles represent alternate interior angles?

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A
angles A and C
B
angles B and D
C
angles C, D, and E
D
angles B and C
9

Which set of angle measures could be the measures of the interior angles of a triangle?

A
90°, 42°, and 58°
B
60°, 60°, and 60°
C
100°, 48°, and 42°
D
31°, 75°, and 70°
10

What is the value of x?

Question illustration
A
56°
B
66°
C
124°
D
236°

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