She will need 7 rolls of lace
Step-by-step explanation:
The given is:
- Maggie has a circular table cloth with a 72-inch diameter
- She plans to sew lace around
- The lace comes in 3-foot rolls
We need to find how many rolls she will need
∵ The diameter of the table is 72 inches
- Change the inches to feet because the length of the lace in
the rolls by feet
∵ 1 foot = 12 inches
∴ 72 inches = 72 ÷ 12 = 6 feet
∵ She plans to sew lace around the table
∴ The length of the lace is equal to the circumference of the table
∵ The circumference of a circle = π d, where d is its diameter
∴ The length of the lace = π(6)
∴ The length of the lace = 18.84955592 feet
∵ The lace comes in 3-foot rolls
- Divide the length of lace by 3 to find the numbers of the rolls
∴ The number of rolls = 18.84955592 ÷ 3
∴ The number of rolls = 6.283185
∴ She must buy 7 rolls
She will need 7 rolls of lace
Learn more:
You can learn more about the circumference of a circle in brainly.com/question/8929610
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