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# A saucer has a radius of 8 cm. A plate has a radius of 12 cm. How much greater circumference of the plate than the circumference of the saucer?

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Jun 13, 2018

color(violet)("Diff. in circumferences " C_d = C_p - C_s = 8pi ~~ 25.13 cm

#### Explanation:

color(crimson)("Circumference of a circle " C = 2 * pi * r

$\text{Given : radius of saucer " r_s = 8 cm, "radius of plate } {r}_{p} = 12 c m$

$\therefore \text{Circumference of saucer " C_s = 2 pi * 8 = 16 pi " cm}$

$\therefore \text{Circumference of plate " C_p = 2 pi * 12 = 24 pi " cm}$

color(violet)("Diff. in circumferences " C_d = C_p - C_s = 24pi - 16pi = 8pi ~~ 25.13 cm

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