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

What is the "formal" definition of pi?

• 22/7
• 3.1415926
• the ratio of a circle's circumference to its diameter
• the surface area of a sphere of diameter 22/7

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

What is the value of x?

• 132
• 66
• 114
• 48

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

How many acute angles must an acute triangle have?

• 2
• 1
• 4
• 3

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

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

TEKS.MATH.6.8A

How do you show the diagonals are congruent?

• Measure them with a ruler
• Use the midpoint formula
• Use the slope formula
• Use the distance formula

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

The measure of this angle of a triangle is equal to the sum measures of the two nonadjacent interior angles.

• Vertical Angles
• Straight Angle
• Congruent Angles
• Exterior Angle

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

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.2

To construct an equilateral triangle, all you need is a compass and a straightedge.

• True
• False

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

Which set of side lengths will form a triangle?

• 3, 6, 12

• 7, 7, 14

• 9, 9, 9

• 13, 6, 7

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

TEKS.MATH.6.8A

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

CHECK ALL THAT APPLY:

The lengths of the diagonals are congruent.

• Parallelograms

• Rhombuses

• Rectangles

• Squares

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