CCSS.Math.Content.HSG.CO.C.10

What are the base angles?

• angle A
• angle A and angle C
• angle C
• angle B

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CCSS.Math.Content.HSG.CO.C.10

The figure is an example of a(n) ...

• angle bisector
• perpendicular bisector
• median
• midsegment

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CCSS.Math.Content.HSG.CO.C.10

Find the m∠R.

• 40°
• 140°
• 50°
• 180°

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CCSS.Math.Content.HSG.CO.C.10

Which would be the best classification for the triangle shown?

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

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CCSS.Math.Content.HSG.CO.C.10

Fill in the missing proofs.

• Transitive Property, SAS(Side-Angle-Side)
• Reflexive Property, SAS(Side-Angle-Side)
• Reflexive Property, Vertical Angles Thm.
• Transitive Property, SSS(Side-Side-Side)

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CCSS.Math.Content.HSG.CO.C.10

The measures of the angles of a triangle are in the extended ratio 4:3:2. What is the measure of the largest angle?

• 20

• 40

• 60

• 80

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CCSS.Math.Content.HSG.CO.C.10

Fill in the missing proofs.

• Transitive Property, SAS(Side-Angle-Side)
• Reflexive Property, SAS(Side-Angle-Side)
• Reflexive Property, Vertical Angles Thm.
• Transitive Property, SSS(Side-Side-Side)

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CCSS.Math.Content.HSG.CO.C.10

Use the Third Angles Theorem to find  $m\angle F$  

•  $55\degree$ 

•  $42\degree$  

•  $96\degree$  

•  $83\degree$  

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CCSS.Math.Content.HSG.CO.C.10

Solve for x

• 70

• 23

• 120

• 130

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CCSS.Math.Content.HSG.CO.C.10

Classify the triangle shown in the picture by its sides.

• Equilateral

• Scalene

• Obtuse

• Isosceles

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CCSS.Math.Content.HSG.CO.C.10