Asked by Mohammad Tariq Aziz
The diameter of the base of a cone is 10.5 cm and its length height its slant height is 10 centimeter the curved surface area is
Answers
Answered by
Mohammad Tariq Aziz
The diameter of the base of a cone is 10.5 cm and its length height its slant height is 10 centimeter the curved surface area is
Answered by
R_scott
the curved surface is a portion of a Circle
the slant height is the radius of the Circle
the circumference of the base of the cone
... is a portion of the circumference of the Circle
area (A) of the Circle ... π * 10^2 = 100 π cm^2
circumference of the Circle ... π * 20 cm
circumference of the base of the cone ... π * 10.5 cm
curved surface area of the cone ... [(10.5 π) / (20 π)] * 100 π cm^2
the slant height is the radius of the Circle
the circumference of the base of the cone
... is a portion of the circumference of the Circle
area (A) of the Circle ... π * 10^2 = 100 π cm^2
circumference of the Circle ... π * 20 cm
circumference of the base of the cone ... π * 10.5 cm
curved surface area of the cone ... [(10.5 π) / (20 π)] * 100 π cm^2