Area, Circumference and Surface Area

The swinging door at the local ice cream parlor has a circular window. What is the approximate distance around the window, in feet? Use π≈3.14

Tags

CCSS.7.G.B.4

For the school fair, Helen paints a large bullseye for the beanbag toss. The radius of the innermost circle is 6 inches. The diameter of the middle circle is 2 feet. The diameter of the largest circle is 6 feet. Helen paints the shaded region of the bullseye. How many square feet does Helen paint? Use π≈3.14

Tags

CCSS.7.G.B.4

The diameter of the pizza below is 16 inches. If there are 8 equal sized slices of pizza, what is the area of each slice?

Tags

CCSS.7.G.B.4

Marcel bought a new pair of inline skates. Each wheel on the skates is 41 millimeters in radius. Which shows the number of millimeters traveled in 5 full rotations of a wheel?

Tags

CCSS.7.G.B.4

Mr. Rives’ rotating sprinkler waters his lawn up to a radius of 7 feet. What is the maximum number of square feet of lawn Mr. Rives can expect two sprinklers to cover? Use π≈3.14

Tags

CCSS.7.G.B.4

Fiona created the sculpture here using a square and a circle. How many square feet of material did the circular part of the sculpture require?

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

Randy shops for circular stepping stones for his yard. He finds a stone with a circumference of 36 inches. What is the diameter of the stone, in inches? Use π≈3.14

Tags

CCSS.7.G.B.4

A park is shaped like a circle. Students determine that to walk along the diameter of the park you would need approximately 76 steps. How many steps would be needed to walk along the outside of the circle?

Tags

CCSS.7.G.B.4

Stephanie painted a circular plate in potter class. The circumference of her plate is 3π units. What is the area of her plate?

Tags

CCSS.7.G.B.4