Unit 7 Lesson 8

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25
• Complementary; x=5
• Supplementary; x=25
• Supplementary; x=5

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=3.4
• Complementary; x=45
• Supplementary; x=20
• Supplementary; x=175

What is the value of x?

• 15
• 16
• 18
• 19

Find what the value of x.

• 15
• 30
• 45
• 60

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles

   What is the measure of angle A?

• 100°
• 80°
• 90°
• 180°

What equation would you use to find the value of x?

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

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What is the name of this kind of triangle?

• Right
• Isosceles
• Scalene
• Equilateral

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.
What is the name of this kind of triangle?

• Right
• Scalene
• Isosceles
• Equilateral

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

• Right
• Scalene
• Isosceles
• Equilateral