In the figure below , a cone is cut by a plane that passes through its vertex and it’s vertex and is perpendicular to its base. the height of the cone is 10 inches, and it’s diameter is 6 inches. what is the area of the cross section formed by the intersection

The area of cross-section is

Step-by-step explanation:

we are given that

a cone is cut by a plane that passes through its vertex and it’s vertex and is perpendicular to its base

So, cross -section will be right angled triangle

whose base will be along diameter of cone

so, base of triangle = diameter of cone =6 inch

base =6 inch

Height of triangle will be same as height of cone

so, height of triangle =10inch

now, we can find area

- 70

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