MATH 5 4TH QTR MASTERY TEST

What is an area of a circle?

         

           

          

        

•   The distance around the circle

• The total square units inside the circle

•   A line segment extending from the center.

•    A close plane figure made up of points equidistant from the center

Which of the following statements is TRUE?

            

           

•      A= 2πr

• The area of a circle is measured in cubic units.

• The area of a circle is measured in square units.

• The area of a circle is the distance around the circle.

A circle has a radius of 5 inches, what is its area?

                                                  

• 7.85 in²

• 75.80 in²  

• 78.05 in²

•    78.50 in²

The diameter of a circle is 10cm. How will you find the area of this circle?

• Square the diameter times 3.14

• Divide the diameter by 2 times 3.14

• Multiply the diameter by itself times 3.14

• Divide the diameter by 2 then multiply itself and times 3.14

What is the formula in getting the area of a circle?

                                                         

•    A= πr²

• A = 2πr

•     A = 2πd  

•   A = πd²