bigfetti39
Answered

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Find the circumference and area of a circle with a diameter of 22 inches. Leave your answers in terms of pi.​

Sagot :

kyleighhope

Answer:

C= 22[tex]\pi[/tex]    A= 121[tex]\pi[/tex]

Step-by-step explanation:

formulas: circumference: 2[tex]\pi[/tex]r   area: [tex]\pi[/tex][tex]r^{2}[/tex]   diameter = 2r

22/2 = 11, so r = 11

circumference: 2[tex]\pi[/tex]r = [tex]\pi[/tex] * 2r    ->  22[tex]\pi[/tex]

area: [tex]\pi[/tex][tex]r^{2}[/tex] = [tex]\pi[/tex] * [tex]11^{2}[/tex]    ->   121[tex]\pi[/tex]

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