A circular bale of hay has a 40 inch diameter. If 1 in = 2.54 cm, what is the area of the bale in square centimeters?

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Presentation transcript:

A circular bale of hay has a 40 inch diameter. If 1 in = 2.54 cm, what is the area of the bale in square centimeters?

40 m 10 m Find the area both in terms of pi and to nearest hundredth.

12 in Shelby made a design by overlapping four circles. The exterior of her design is comprised of four half-circles. What is the perimeter of her design, rounded to the nearest tenth?

Find the total shaded area. 12 cm 5 cm 8 cm 4 cm

Mr. Farmer’s garden has an area of 200 square feet. This year he plans to make his garden larger. If he triples both the lengh and width of his garden, what will the new area be? How much fencing will he need for his new garden?

Find the area of a regular octagon with a diameter of 20 feet.

If 1 inch = 2.54 cm, what is the shaded area in ? 1 foot

What is the probability that a point chosen at random is on the circle and inside the hexagon? 16 m

A rectangle has an area of 30 square inches. If its length and width are cut in half, what is the effect on its perimeter? What is the effect on its area?