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

The lengths of a triangle are given below. Is the the triangle obtuse, acute, or right?
11, 12, 15

• right
• obtuse
• acute

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

ABCD is a rectangle.  m∠BCE = 4x-23 and m∠DCE = 5+5x.  Find m∠BEC. 

• 25
• 12
• 130
• 32

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

Find the value of x

• 141
• 150
• 135
• 163

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

What is the "reason" for step 2 of the proof?

• reflexive property
• proof
• SAS
  ≅ thrm
• given

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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

Triangle that has one obtuse angle

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

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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

What is the "statement" for step 3 of the proof?

• HA=HA
• HA=AH
• MA=AM
• MA=MA

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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

Name the parallel segment.

• JH
• PN
• MP
• MN

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