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|dw:1360347206882:dw|

please explain why also

do you know that those two angles add up to 180 degrees?

what is the other angel one is 132

2x+10

11
15
16
19
is the answer options

how does that add up to 180

so how do you solve it

here:|dw:1360348431488:dw|
you know that B+C=180 right?

yes

so how do i figure out the answer how do i solve this problem.

yes

so how do i solve that problem to get the answer

if you write down what we just proved, you get
(2x+10) + 132 = 180.
Can you solve for x now?

hmm i think so subtract 132 from 180

yup.

then what

after i subtract i get 48

(2x+10)=48

2x+10 = 48.
Now?

subtract 10 from 48
?

yup

then i get 38

then divide by 2

so 19

Yup :)

can u help m with a diff problem ?

okay. Just one before i go to bed.