Barbara knit a total of 4 centimeters of scarf over 2 nights. How many nights will Barbara have to spend knitting in order to knit a total of 10 centimeters of scarf? Solve using unit rates.

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.

include a picture of the drawing in order for me to

step-by-step explanation:

they go with it happens or they mite give a chance?

step-by-step explanation: