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ikadub [295]
3 years ago
9

Find the radius and diameter of a circular puddle whose

Mathematics
1 answer:
o-na [289]3 years ago
6 0

Answer:

r = 35cm

Step-by-step explanation:

Given

C = 220cm

\pi = \frac{22}{7}

Required

Determine the radius

Circumference (C) is calculated as:

C = 2\pi r

Where r represents radius

Substitute values for C and \pi

220cm = 2 * \frac{22}{7} * r

220cm =  \frac{44}{7} * r

Multiply through by 7/44

\frac{7}{44} * 220cm =  \frac{7}{44} * \frac{44}{7} * r

r = \frac{7}{44} * 220cm =

r = \frac{7 * 220cm }{44} =

r = \frac{1540\ cm}{44}

r = 35cm

<em>Hence, the radius is 35cm</em>

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