a sector of a circle of radius 7 cm substance and angle of 270 degree at the centre of the circle is used to form a cone find the base radius of a cone and calculate the area of the base of the cone

Answer 1

A sector of a circle at radius 7cm subtending an angle of 270degree at the centre of the circle is used to form a cone ;find the base radius of the cone and calculate the area of the base of the cone

Answer 2

Just did this
pi * (.75*7)^2
check below

Answer 3

impatient much?
Once is enough, thank you.
Repeated postings will not get faster or better responses.