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Mathematics 8 Online
OpenStudy (anonymous):

hey can someone help solve?

OpenStudy (anonymous):

OpenStudy (marigirl):

can u see my attachment

OpenStudy (anonymous):

yeah

OpenStudy (anonymous):

wait so what are the measurements

OpenStudy (marigirl):

sorry for the late reply,

OpenStudy (marigirl):

we can find out the measurement of the angle that I have marked as (1) we can use the rule angles on a line add to 180.. therefore, (1) must be 70 degrees

OpenStudy (marigirl):

Now we can find the angle DAE - the red triangle i have outlined in the attached image

OpenStudy (marigirl):

once we have done that, we can now find the bigger triangle, outlined in green

OpenStudy (marigirl):

therefoore, DCA will be 50 degrees

OpenStudy (marigirl):

oh wait we didnt need to do DCA, opps lol i went a step too far

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