Area and Circumference of Circles Word Problems

Find the area of the circle.  Use 3.14 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Each blade on a ceiling fan is 60 inches.  How much area is covered on each rotation of the ceiling fan? Use 3.14 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Find the circumference of the circle.  Use 3.14 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Find the circumference of the circle.  Use 22/7 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Nissa wants to replace the glass in her antique mirror with a diameter of 18 inches.  The Looking Glass sells mirrored glass for $0.85 per square inch, including tax.  To the nearest penny, how much will Nissa pay to have the glass replaced?  use 3.14 for pi (no $ in the answer.)

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Lilly Mae measures the length of the radius of her bedroom clock, it is 3 inches.  She glues ribbon around the edge of the clock.  What is the length of the ribbon Lilly Mae glues around her clock.  Use 3.14 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

The three inner circles are congruent. What is the area of the largest outside circle in square centimeters? Use 3.14 for π.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Claudia drew a circle on the driveway with chalk. The circumference of the circle is 16π. What is the area of the circle in square feet? (Use 3.14 for π)

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

The radius of a 10 foot tree is 21 inches.  Determine the circumference of the tree.  Use 22/7 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4

Janet was very hungry and ate half of a round cherry pie.  If the diameter of the pie was 22 inches, what was the area of the pie Janet ate? Use 3.14 for pi.

Mathematical Equivalence

ON

Tags

CCSS.7.G.B.4