Geometry  plz help
posted by Mary .
The radius of a right circular cone is 6 inches and the height is 8 inches find the slant height of the cone.

Use the Pythagorean Theorem.
a^2 + b^2 = c^2
6^2 + 8^2 = c^2
36 + 64 = 100
10 = c 
Thank you

You're welcome.

h=x
b1=21cm
b2=20cm
area=225.5cm2
h=2(225.2)/(21cm+20cm) 
Find the slant height for a right circular cone with a radius of 3 and a height of 5.