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.
Answer:
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
This is a positive anotation.
Hope this helps have a good day!
Answer:
6
Step-by-step explanation:
