Area of a circle, and of parts of a circle
Grade 7 Math Worksheet - Challenge Me
Circle the best answer, or write your answer on the line.
Ren's flower bed is a rectangle with a half circle on one end. The bees love the round end. What is its area in square meters? Use π = 3.14. Do not round.
Zee's paper banner is a rectangle with a half circle on one end. One end is a little dramatic. What is its area in square cm? Use π = 3.14. Do not round.
Ari's quilt is a rectangle with a half circle on one end. It has one rounded end. What is its area in square feet? Use π = 3.14. Do not round.
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Use this
Sketch, not to scale.
Kira's dish has a blue rim, a ring between two circles. What is the area of the blue rim in square cm? Use π = 3.14. Do not round.
Milo's plate has a rim, a ring between two circles. The rim holds everything together. What is the area of the rim in square cm? Use π = 3.14. Do not round.
Noah's round pizza is 30 cm across. Each square cm needs 0.3 g of cheese. How many grams of cheese does it need? Use π = 3.14. Do not round.
Pia's round flower bed is 6 m across. Each square meter needs 3 liters of mulch. How many liters of mulch does it need? Use π = 3.14. Do not round.
Ren's round lawn is 10 m across. Each square meter needs 30 g of grass seed. Birds, look away. How many grams of grass seed does it need? Use π = 3.14. Do not round.
Tala's round vegetable patch is 5 m across. Each square meter needs 40 g of plant food. How many grams of plant food does it need? Use π = 3.14. Do not round.
Ari's pizza is 24 cm across, cut into 6 equal slices. Each square cm gets 0.5 g of cheese. How many grams of cheese are on one slice? Use π = 3.14. Do not round.