A chord of a circle subtends an angle of theta radians at the centre of the circle. The area of the minor segment cut off by the chord is 1/8 of the area of the circle.
Prove that 4theta= pi + 4 sin theta
Ahhh i have no idea how to do it?
A chord of a circle subtends an angle of theta radians at the centre of the circle. The area of the minor segment cut off by the chord is 1/8 of the area of the circle.
Prove that 4theta= pi + 4 sin theta
Ahhh i have no idea how to do it?
Hello juliakIf the radius of the circle is , the area of the sector that makes an angle at the centre is . The area of the triangle with two sides of length enclosing an angle of is .
So the area of the segment
Fill in the gaps; multiply both sides by , divide by and you're there.
Grandad