10-12-2020
Mathematics

contestada

please answer #7 <3
tysm

if u can explain why i’ll give u brainlist

please answer 7 lt3 tysm if u can explain why ill give u brainlist class=

Respuesta :

Аноним Аноним

10-12-2020

Answer:

BC=2

Step-by-step explanation:

The equation is

AB+BC+CD=21

7+BC+12=21

19+BC=21

BC=21-19

BC=2

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michael4k24 michael4k24

10-12-2020

Answer:

Bc = 2

Step-by-step explanation:

Just add AB + CD

you'll get 19

substract it from AD

21 - 19 = 2

In Above question b = 39°

Not 31

Answer Link

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