Sixth grade >
Y.3 Write variable expressions: word problems 6LQ
Donald has 10 more rubber bands than Rita. Rita has r rubber bands. Choose the expression
that shows how many rubber bands Donald has.
10
r- 10
r + 10
10 - r
Submit what is the answer

16

Step-by-step explanation:

answer: idk

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.