https://prnt.sc/l93b9t
@mhchen
|dw:1540229966272:dw| In this picture, you see where the angle is a right-angle? That's because it's a perpendicular bisector. Now can you find x with the help of this picture?
yes
|dw:1540230494465:dw| okay so what is x?
90
Yup.
|dw:1540230731669:dw| Now. You know that all angles inside a triangle add up to 180 degrees right? And based on the image, the top 2 angles are the same, since a bisector divides it into 2 equal parts. If all the angles add up to 180, then 90 + 47 + y = 180. Can you find y?
i think so
what else ?
i can figure out the y
well 90 + 47 + y = 180 137 + y = 180 right? y = 180 - 137
understand so far?
yes ma'am i do
which makes it 43
correct ?
yeah
thank you mhchen for your help on this i really do appreciate your tips and explanation it
it really helped me through it thank you
lol np
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