The equation y= ax describes the graph of a line. If the value of a is negative,
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Answer:
Formula for the area of a circle;
<h2>A = πWhere 'π' represents pi(3.14 or 22/7), and 'r' represents the radius which is being squared.
Plug in the radius into this formula:-
A = π
- <em>Note: I will be using 3.14 as pi(π).</em>
A = 3.14(4^2)
A = 3.14(16)
A = <u>50.24 centimetres</u> is the area for this circle.