Calling All Mathematicians Please Please Please Help On This Question!!!!!!!!!!!!!!
1 answer:
Use the distance formula, AB=√[(1-(-9)]²+[(-1-(-3)]=√[100+4]=√104 use the same formula, AC=√52, BC=√52 AC²+BC²=52+52=104=AB² Yes, it is a right triangle.
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Hope this helps! ^^