Terms Related to Cone

Q.

Pavan drew a $△$ABC right angled at B. He says if the right angle triangle is rotated along AB then it will result in ___

1. Cone

2. Cube

3. Cylinder
4. Cuboid

Q. For a cone of radius 'r', height 'h' and slant height 'l', $l^2=r^2+h^2$.

1. True
2. False