Answer:
A.the radius
Step-by-step explanation:
The area of a sector of a circle is ½ r² ∅, where r is the radius and ∅ the angle in radians subtended by the arc at the centre of the circle. So in the below diagram, the shaded area is equal to ½ r² ∅ .
plz mark me as brainliest :)
Answer:the radius
4,10
add the numbers together
its 80+ 65^12 sq. units
or 80+root65 sq. units
