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Is there a picture to go with this? @Mrfootballman97

Do you know if it is one of the base angles? Or is it the angle at the top of the triangle?

Nope

Trapezoids sum.. I believe is 360

Interior angles sum is 360... right?

ahhhhhh ok then. So could the angles be anything as long as they add up to be 360?

They can't be any number... we would have to know what Isosceles is.

|dw:1354423088562:dw|

Opposite angles are Supplementary

Callisto was the person

He is correct

Yup

Being that opposite angles are supplementary... we know that Supplementary is 180, right?

180 - 57 = 123

|dw:1354423249035:dw|

so 123 is the top angles measure?

Oh i see THANKS!

Yes, and if you notice they sum to 360 :)

Yup! Thank You!