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

The unit circle...

• Has center at (1,1)
• Has a circumference of 1
• Has a diameter of 1
• Has a radius of 1

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

A point that divides, or bisects, a segment into two congruent segments

• Midpont
• Vertex
• Bisector
• Intersection

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

Solve

• 50°
• 58°
• 115°
• 226°

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

Part of a line. Has one endpoint and continues on forever in one direction.

• Line Segment
• Line
• Ray
• Point

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

The figure is a parallelogram.  
Solve for x.  

• 1
• 8
• 2
• 6

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

Define: INCENTER OF A TRIANGLE

• the intersection point of the three angle bisectors of a triangle 
• when three or more lines intersect at a single point 
• the intersection point of the three perpendicular bisectors of a triangle 
• the point of intersection of three or more lines 

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

The figure is an example of a(n) ...

• altitude 
• perpendicular bisector
• midsegment
• angle bisector

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

Name the center.

• K
• KL
• KN
• N

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

The figure is a rhombus.  
Solve for x.  

• 1
• 11
• 7
• 6

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

What is a cone?

• A solid (3-dimensional) object with a circular flat base joined to a curved side that ends in an apex point.
• a structure with a square or triangular base and sloping sides that meet in a point at the top
• solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures
• a round solid figure, or its surface, with every point on its surface equidistant from its center.

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