SOLUTION: an opened cone with a base radius 28cm and perpendicular height 96cm was stretched to form a sector of a circle.calculate the area of the sector
Algebra.Com
Question 1090661: an opened cone with a base radius 28cm and perpendicular height 96cm was stretched to form a sector of a circle.calculate the area of the sector
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
r, radius of the unfolded cone sector
circumference of the cone was .
Unfolded cone, now the sector of a circle, has arc of .
Circumference of the entire circle would be .
Area of the sector: -----simplify this.
RELATED QUESTIONS
A cone whose base diameter and vertical height are 24cm and 5cm respectively is unfolded... (answered by josgarithmetic)
A sector of a circle 7cm subtending an angle 210 at the centre of the circle, is used to... (answered by josgarithmetic,KMST)
a) The area of a sector of a circle with diameter 12cm is 6.6cm², if the sector is... (answered by mananth)
please help me solve this quest
ion ((( a cone whose base diameter and vertical height... (answered by Theo)
A sector of a circle of radius 8cm subtends an angle 90 degrees at the centre of the... (answered by stanbon)
The area of a sector of a circle with diameter 12cm is 66cm square.if the sector is... (answered by josgarithmetic)
The area of a sector of a circle with diameter 12cm is 6.6cm², if the sector is folded... (answered by mananth)
A cone of base radius 7cm was made from a sector of a circle which subtends an angle of... (answered by mananth)
please help me to solve this quesion.
A cone whose base diameter and vertical height are (answered by ikleyn)