The ratio of boys to girls in a class is 2: 3 if there are 18 boys in the class. how many girls are in that class

27 girls

Step-by-step explanation:

18÷2=9

9×3=27

x = -2

y = 848

step-by-step explanation:

plug in the numbers

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.