1 year ago

AC = 3x -8, BC = -7 + 2x, and AB = 8. Find BC.

Mathematics

1 answer:

Rainbow [258]1 year ago

4 0

Answer:

AB+BC+AC=180°

8 - 7 + 2x +3x -8= 180°

-7+5x=180°

x=180°+7/5

x=37.4°

again

BC=-7+2*37.4

=67.8°

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