TEKS.MATH.7.5B

a line that goes from one edge of the circle to another and crosses the center point

• center
• diameter
• dime eater
• radius

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TEKS.MATH.7.5B

What type of number is π ?

• Rational
• Irrational

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TEKS.MATH.7.5B

A line that goes from one end of the circle to the other and crosses the center point.  

• center
• diameter
• dime eater
• radius

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TEKS.MATH.7.5B

Which fraction is a good approximation for pi?

• 22/3

• 22/9

• 22/7

• 22/5

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TEKS.MATH.7.5B

What is pi used to find?

• the perimeter of a square

• the area of a rectangle

• radius of a circle

• circumference of a circle

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TEKS.MATH.7.5B

Is this radius or diameter?

• Radius

• Diameter

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TEKS.MATH.7.5B

What number does π represent?

• 4.13

• 3.41

• pie

• 3.14

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TEKS.MATH.7.5B

Choose the answer which best describes how these formulas are related to each other.

• They both solve for circumference. In the first formula it uses diameter, in the second formula it uses two times the radius, which is the same thing as diameter.

• They both solve for circumference, in the first uses diameter and the second uses pi.

• They both solve for area. In the first formula it uses diameter, in the second formula it uses two times the radius, which is the same thing as diameter.

• They both use circumference to solve for pi. One uses radius, the other uses diameter.

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TEKS.MATH.7.5B

What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

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TEKS.MATH.7.5B

What is the relationship between radius and diameter?

• 1 diameter = 3 radius

• 2 diameters = 1 radius

• 1 diameter = 1 radius

• 1 diameter = 2 radius

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TEKS.MATH.7.5B