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Sindrei [870]
3 years ago
6

Find the area of a circle with a circumference of 16

Mathematics
1 answer:
OLga [1]3 years ago
3 0
The formula is
\frac{ c^{2} }{4 \pi }

replace c with 16 and solve
\frac{ 16^{2} }{4 \pi }

your answer will be 
A≈20.37

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5. Assuming that a is not equal to c, find the x-value of the intersection point of the lines y = ax +b and y = cx + d.
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The x-value of the intersection point of the lines is ( d - b)/(a-c)

<h3>Intersection of lines</h3>

Given the equation of a line expressed as;

y = ax +b and;

y = cx + d.

Equating both lines, we will have:

  • ax + b = cx + d

Make x the subject of the formula:

ax - cx = d = b

x (a-c) = d - b

x = ( d - b)/(a-c)

Hence the x-value of the intersection point of the lines is ( d - b)/(a-c)

Learn more on intersecting lines here: brainly.com/question/2065148

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2 years ago
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Step-by-step explanation:

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kogti [31]

Answer:

(2n + 1)[(2n + 1) � 1]

(2n + 1)(2n + 1 � 1)

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Step-by-step explanation:

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