Therefore, the sentence "A triangle is isosceles if and only if it has two congruent (equal) sides" is <span>biconditionaL</span>
Step-by-step explanation:
use the slope formula
y2-y1 / x2-x1
Answer:
10,200
Step-by-step explanation:
Answer:
16/15
Step-by-step explanation:

The two minus signs cancel, so the result is positive.