Question

Sam is building an enclosure with recycled cardboard for his collection of model cars. His design is as shown.



Sam needs a total length of 156 inches of cardboard for his project. What is the length of side BC in inches?

26

7

42

6

Answer 1

Observe that Project, DC = 36in is 6 times larger than Design ML = 6in

Answer 2

so the scale factor here is 6

Answer 3

thx u

Answer 4

hey we're not done yet, hang on lol

Answer 5

ok

Answer 6

question is not about scalefactor, question is about BC

Answer 7

look at the diagram, and can u tell me wats corresponding side for BC, in design ?

Answer 8

idk ):

Answer 9

simply look at both the given figures,

BC is corresponding to KL

Answer 10

now if u knw KL, u can multiply KL wid 6, to get BC

Answer 11

can we knw KL ?

Answer 12

7 in

Answer 13

awesome !!
multiply it wid scale factor, to get its corresponding side in Project, BC

Answer 14

scale factor we got as 6 previously

so BC = KL x 6 = 7x6 = 42

Answer 15

ohhb ok

Answer 16

:)

Answer 17

thank u

Answer 18

you're wlcme !