This is confusion question can someone help to solve it.
Answer:
Central angle of θ
Step-by-step explanation:
Suppose a sector of a circle with radius r has a central angle of θ.
Since a sector is a fraction of a full circle, the ratio of a sector's area A to the circle's area is equal to the ratio of the central angle of θ to the measure of a full rotation of the circle.
A full rotation of a circle is 2π radians.
This proportion can be written as:
Multiply both sides by
Simplify to get:
Where θ is the measure of the central angle of the sector and r is the radius of the circle.
Step-by-step explanation:
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Hence
Now using angle sum property
Answer:
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Step-by-step explanation:
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