What is the product of d – 9 and 2d2 11d – 4? 2d3 – 7d2 – 103d 36 2d3 – 7d2 – 95d 36 2d3 7d2 – 95d 36 2d3 7d2 – 103d 36.

45

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.

ans789

step-by-step explanation:

step-by-step explanation: