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levacccp [35]
3 years ago
11

Math question, help please.

Mathematics
2 answers:
tekilochka [14]3 years ago
5 0

Answer: EB = 20

Step-by-step explanation:

Hi there. I'm sending you a picture of how the triangle looks like with the sides identified by their values. Given that AB | DE, meaning that they are proportional, then we can assume this:

- AD | EB

- CD | CE

We can also set this ratio up:

\frac{15}{EB} = \frac{21}{28}

Cross multiply the proportion and then divide, to find the value of EB:

15 * 28 / 21=20

Side EB should be equal to 20.

galben [10]3 years ago
3 0

Answer:

EB =20

Step-by-step explanation:

CD : DA = CE : EB

21 : 15 = 28 : EB

21*EB = 28*15

EB = 28*15/21 = 20

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