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

A trapezoid is a parallelogram.

• True
• False

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

Identify the center and radius of the circle (x + 7)² + (y + 5)² = 36

• Center (-7, -5,), radius=6
• Center (-7, -5,), radius=36
• Center (7, 5,), radius=6
• Center (7, 5,), radius=36

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

A line segment on the interior of a circle with endpoints on the circle

• Radius
• Diameter
• Secant
• Chord

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

The line containing the center and foci.

• Major Axis
• Minor Axis
• Vertices
• Co-Vertices

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

An exact location in space with no length or width.

• Ray
• Point
• Line
• Line segment

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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

The line containing the center and foci.

• Major Axis
• Minor Axis
• Vertices
• Co-Vertices

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

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

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

What is the equation for this circle?

• (x+1)²+(y+1)²=9

• x²+y²=9

• x²+y²=6

• x²+y²=3

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