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In Mrs. Burnett's kindergarten class, children make handprints in a round clay mold for their parents. The mold has a diameter of 12 centimeters. What is the mold's area?

Sagot :

yutsuu

Answer:

114cm² (rounded off to 3 significant figures)

Explanation:

formula for area of circle: πr² (where r is the radius of the circle)

radius = diameter ÷ 2

= 12 ÷ 2

= 6cm

area = π(6)²

= 36π

= 113.973 (6s.f.)

= 114 (3s.f.)

hence, the mold's area is 114cm²

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