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Populaire Word Problems >

The area of a circle is 16pi in². What is the circonférence, in inches? Express your answer in terms of pipi.

Solution

T h e a re a o f a c i rc l e i s 16 π i n^{2} . Wha t i s t h e c i rc u m f ere n ce, in in c h es ? E x p ress yo u r an s w er in t er m s o f p iπ .

Solution

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

étapes des solutions

Given:

a re a : i n^{2}

Cercle de rayon donné

A re a = i n^{2} : r = \frac{n ^{2} i}{π}

Cercle de circonférence donnée

r = \frac{i n ^{2}}{π} : C = 2 π \frac{n ^{2} i}{π}

c i rc u m f ere n ce : 2 π \frac{i n ^{2}}{π}

Exemples populaires

The diameter of a circle is 8 meters. What is the circonférence?Negative one sixth of a number is less than-9 Jin went shopping for a new pair of pants. Sales tax where he lives is 5%. The price of the pair of pants is 36. Find the total price including tax. Round to the nearest cent.Lorenzo is 2 years older than Terrell. Rosa is 3. Melissa is 59 years older than Rosa and 22 years older than Terrell. How old is Lorenzo?Two trains leave stations 375 miles apart at the same time and travel toward each other. One train travels at 90 miles per hour while the other travels at 80 miles per hour. How long will it take for the two trains to meet?