TEKS.MATH.9-12.III.D.1

Find a and b.

• a=74 degrees
  b=93 degrees
• a=93 degrees
  b=74 degrees
• a=87 degrees
  b=106 degrees
• a=106 degrees
  b=87 degrees

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TEKS.MATH.9-12.III.D.1

Angles 1 and 3 are what angle pair?

• Complementary
• Supplementary
• Adjacent
• Vertical

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TEKS.MATH.9-12.III.D.1

(1) If a figure is a square, then it is a polygon.
(2) Figure A is a polygon.
(3)  ???????
What belongs in line 3?

• Figure A is a polygon.
• Figure A is a circle.
• Figure A is a square.
• invalid; nothing belongs in line 3

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TEKS.MATH.9-12.III.D.1

What missing piece of information is needed to prove the triangles congruent using SAS?

• ∠F≅∠Q
• ∠G≅∠R
• ∠H≅∠S
• FH = QS

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TEKS.MATH.9-12.III.D.1

Diagonals are congruent in all -?-

• quadrilaterals
• rectangles
• rhombuses
• parallelograms

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TEKS.MATH.9-12.III.D.1

What will the same slopes tell you about the quadrilateral?

• Opposite sides are parallel
• Opposite sides are congruent
• Diagonals are congruent
• Diagonals bisect each other

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TEKS.MATH.9-12.III.D.1

Are these triangles congruent?

• Yes, by SSS
• Yes, by SAS
• Yes, by ASA
• No, this is the SSA one!!

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TEKS.MATH.9-12.III.D.1

ABCD is a rhombus
What is the measurement of angle AED? 

• 60 
• 45
• 90
• 180

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TEKS.MATH.9-12.III.D.1

What is the sum of the exterior angles of a 20-gon?

• 180°

• 360°

• 3240°

• 162°

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TEKS.MATH.9-12.III.D.1

What pattern could you use to prove the triangles congruent?

• SSS
• SAS
• ASA
• AAS

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TEKS.MATH.9-12.III.D.1