Question

slant height of a cone is 12.25 cm and the vertex angle is 110° calculate it base.​

Answer 1

Answer:

height (l), the height(h), and the radius of the base(r) make a right anglde triangle. So, when we apply pyhagoras theorem

= +

Tan 60= = radius/ height

So, height = r/

substitute in pythagoras theorem

64= (/3) + = (4/3)

= 64(3/4) = 48

So, r= = 4