Answer:
273/20 or 13.65
Step-by-step explanation:
3 2/8=26/8
4 1/5=21/5
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26/8*21/5=273/20
MOKL and mHKJ are vertical angles, so they’re congruent
so mHKJ is also 80°
Uhh we need a picture or some more info to help you with that one cheif
Did the question give you any lengths of the sides?