What is the shape of the cross section taken perpendicular to the base of a cone? (1 point)
select one:
a. circle
b. rectangle
c. square
d. triangle

Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Cross section taken perpendicular to the base of a cone.

A cone has one circular base with two slant heights and a vertex connected by its curved side.

Cone is 3-D shape formed by triangle by rotating along the height of the triangle.

When a plane cuts the cone and be perpendicular to the base of the cone.

Then the shape of cross section will be triangle in 2D structure.

And base of triangle becomes the diameter of cross section.

Hence, Option 'D' is correct.

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step-by-step explanation:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.