Calculate the areas of these rectangles.
1 answer:
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Answer:
37.68cm
Step-by-step explanation:
C = 2 r
C = circumference
= the constant pi (3.14)
r = radius of the circle (6cm)
d = diameter of the circle (12cm)
d = 2r
C = 2 · 3.14 · 6
C = 37.68cm