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

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?

• acute triangle
• right triangle
• obtuse triangle
• none of the above

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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

What is the reason?

• Definition of Complementary
• Definition of 180 
• Definition of supplementary
• Angle Addition

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

The measure of this angle of a triangle is equal to the sum measures of the two nonadjacent interior angles.

• Vertical Angles
• Straight Angle
• Congruent Angles
• Exterior Angle

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

Find the value of x by using the exterior angle theorem.

• A
• B
• C
• D

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

If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?

• Acute Isosceles
• Acute Scalene
• Obtuse Scalene
• Obtuse Isosceles

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

If m∠A = 125°, what is the m∠B?

• 125^o

• 65^o

• 55^o

• 45^o

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

Identify the  missing statement or reason

• Definition of Angle Bisector
• Alternate Interior Angles Theorem
• Reflexive Property
• Definition of Midpoint

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

QR is a midsegment of triangle WUV. What is the length of segment QR?

• 4
• 8
• 16
• 32

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