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MissTica
3 years ago
10

Can someone explain how to do this

Mathematics
2 answers:
sdas [7]3 years ago
5 0
You begin by finding the measure of the angles knowing that all angles in a triangle equal 180.  Then you use tan 57=7/(line AC).  This value squared plus 7 squared will equal the length of the hypotenuse squared.
Cloud [144]3 years ago
4 0
I'm pretty sure its a^2+b^2=C^2

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