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

What kind of triangle is this?

• Acute
• Right
• Sparkly
• Obtuse

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

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

TEKS.MATH.9-12.III.A.3

The fact that diagonals are ⊥ means this shape is a -?-

• quadrilateral
• rectangle
• rhombus
• parallelogram

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

What is the reason?

• Definition of Angle
• Definition of Congruence
• Definition of bisects
• Definition of midpoint

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

Diagonals are perpendicular in all  ________.

• quadrilaterals
• rectangles
• rhombuses
• parallelograms

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

Two planes intersect at a...

• line
• point
• plane
• letter

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

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

Identify the special angle pair name for <9 and <8

• alternate exterior angles
• same-side interior angles
• alternate interior angles
• corresponding angles

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

What is the formula for the sum of interior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

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

Which of the following is NOT true about angles in a rectangle?

• Opposite angles are congruent

• Diagonals bisect the angles

• Consecutive angles are congruent

• Consecutive angles are supplementary

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

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

What types of angles are ∠1 and ∠4?

• Alternate Interior Angles

• Alternate Exterior Angles

• Corresponding Angles

• Vertical angles

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

The place where all three perpendicular bisectors meet is called the ...

• Circumcenter

• Orthocenter

• Incenter

• Centroid

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