If the arc on a particular circle has an arc length of 12 inches, and the circumference of the circle is 48 inches, what is the
2 answers:
Answer:
<h2>The angle measure of the arc is 90°.</h2>Step-by-step explanation:
Givens
- The arc length is 12 inches.
- The circumference is 48 inches.
We can solve this poblem using the rule of three.
If 48 inches represents 360°, then 12 inches how many degrees would represents?
Therefore, the angle measure of the arc is 90°.
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The given equation is:
To find the line perpendicular to it, we interchange coefficients and switch the signs of one coefficient.
The equation to a line perpendicular to it is:
$ 2y-x=c$
where, $c$ is some constant we have determine using the condition given.
It passes through $(2,-1)$
Put the point in our equation:
$2(-1)-(2)=c$
$c=-2-2$
$c=-4$
The final equation is:
$\boxed{ 2y-x=-4}$