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Joshua was sewing a circular tablecloth for his grandmother that has a radius of 3.5 feet. He wants to sew a ribbon around the edge of the tablecloth. If Joshua has exactly enough ribbon, what is the approximate length of the ribbon, in feet?
Round your answer to the nearest tenth.

Respuesta :

Answer:

22 feet will be the length of ribbon.

Step-by-step explanation:

Joshua was sewing a circular tablecloth for his grandmother. He wants to sew a ribbon around the edge of the tablecloth.

So to measure the length of ribbon will be the the perimeter of the circular cloth.

Perimeter of a circle = 2π r

Therefore perimeter of table cloth = 2×π×3.5 = 7π

                                                         = 7 × 3.14 = 21.98 feet ≅ 22 feet