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

A point where 2 rays meet to form an angle.

• vertex
• angle
• arc
• corner

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

Acute, right, or obtuse

• Acute
• Right
• Obtuse
• I don't know

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

What is the coordinates of the centre and the radius of the circle with equation:
(x - a)² + (y - b)² = r² ?

• Centre (a,b)
  Radius = r^2 units
• Centre (-a,-b)
  Radius = r units
• Centre (a,b)
  Radius = r units
• Centre (-a,-b)
  Radius = r^2 units

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

A plane containing point A.

• Plane DEA
• Plane k
• Plane CDF
• Plane F

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

Give another name for line k.

• Line BC
• Line BCE
• Line ED
• Line k is the only name, there isn't another name.

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

Classify the triangle by angles and sides.

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

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

Which of the following describes a perpendicular bisector of a triangle?

• A segment that is perpendicular to the side of a triangle at its midpoint.
• A segment with endpoints at the vertex and midpoint of the opposite side.
• A segment that connects two midpoints of two sides.
• A segment that connects the vertex and the opposite side at 90 degrees. 

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

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

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

Set of all points in the plane equidistant from a single point called the center

• circle
• chord
• polygon
• radius

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

A plane containing point A.

• Plane DEA
• Plane k
• Plane CDF
• Plane F

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