Areas and Diameters

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Questions and Answers

What unit of measure is selected?

  • British English / Metric
  • US English / Imperial (correct)

What is the area of a square that measures 3 inches by 3 inches?

  • 9 in² (correct)
  • 6 in²
  • 23 in²
  • 12 in²

What is the area of a screw that has a two-inch diameter, rounded to the second decimal point?

  • 4.93 in²
  • 3.14 in² (correct)
  • 4.23 in²
  • 4.00 in²

If a square measures 4 inches by 4 inches, what is its area?

<p>16 in² (A)</p> Signup and view all the answers

A circle has a diameter of 4 inches. What is its radius?

<p>2 inches (D)</p> Signup and view all the answers

What is the area of a square with sides of 5 inches?

<p>25 inches (D)</p> Signup and view all the answers

What is the term for the distance across a circle through its center?

<p>Diameter (A)</p> Signup and view all the answers

If a circle's radius is 3 inches, what is its diameter?

<p>6 inches (D)</p> Signup and view all the answers

If a rectangle measures 2 inches by 4 inches, what is its area?

<p>8 in² (A)</p> Signup and view all the answers

If an injection cylinder has a diameter of 8 inches, what is its radius?

<p>4 inches (D)</p> Signup and view all the answers

Flashcards

Area of a square

The area of a square is calculated by multiplying the length of one side by itself (side * side).

Area of a circle

The area of a circle is calculated using the formula: πr², where r is the radius of the circle.

Study Notes

  • US English/Imperial is the selected unit of measure.

Area of a Square

  • The area of a square part that measures 3 inches by 3 inches is 9 in².

Area of a Screw

  • The area of a screw that has a two-inch diameter, rounded to the second decimal point, is 3.14 in².

Diameter of Injection Cylinder

  • The diameter of the injection cylinder is 8 inches.

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