On the venn diagram, which region(s) represent the intersection of set a and set b (a∩b)?

ii
i and iii
i, ii, and iii
i, ii, iii, and iv

In this question , we have to find the region that is represented by the intersection of sets A and B .

Intersection refers to the common area , that is , the area shared by A and B .

And in the given diagram, the only region shared by A and B is region II.

So Intersection is represented by region II and the correct option is the first option .

step-by-step explanation:

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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.