TEKS.MATH.9-12.III.A.2

Which of the following does not represent the lengths of the sides of a triangle?

• 2 cm, 6 cm, 7 cm
• 5 cm, 2 cm, 5 cm
• 5 cm, 5 cm, 8 cm
• 3 cm, 10 cm, 15 cm

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TEKS.MATH.9-12.III.A.2

Diagonals of a parallelogram bisect each other

• always true
• sometimes true
• never true

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TEKS.MATH.9-12.III.A.2

What is the only property of a trapezoid?

• The diagonals bisect each other
• One pair of opposite sides is parallel
• Both pairs of opposite angles are congruent
• Both pairs of opposite sides are parallel

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TEKS.MATH.9-12.III.A.2

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.A.2

The axis of symmetry line passes through which point?

• y-intercept
• any random point
• vertex
• symmetrical point for the vertex

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TEKS.MATH.9-12.III.A.2

Which is true about parallelograms?

• Opposite sides are congruent
• Diagonals are congruent
• Consecutive angles are congruent
• The interior angles add to 180 degrees

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TEKS.MATH.9-12.III.A.2

The diagonals of a parallelogram always ... 

• are congruent
• are perpendicular
• bisect each other
• are parallel

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TEKS.MATH.9-12.III.A.2

What is the formula for a particular interior angle in a regular polygon?

• 180(n−2)
• 180(n−2)÷n
• 360
• 360/n

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TEKS.MATH.9-12.III.A.2

Find the interior angle sum for each polygon. Round your answer to the nearest tenth if

necessary.

• A

• B

• C

• D

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TEKS.MATH.9-12.III.A.2

Polygon ABCD is a Quadrilateral which of the following pieces of information would prove that ABCD is a parallelogram?

• DB=AC

• DA=BC

• DA||BC

• DA||BC, DA=BC

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TEKS.MATH.9-12.III.A.2