Sagot :
Answer:
D.po
Step-by-step explanation:
sana makatulong po
Answer:
Distance formula
Step-by-step explanation:
Distance formula √(x2−x1)^2+(y2−y1)^2 which is an application of the Phythagorean theorem should be used to know the distance between points (x1, y1) and (x2, y2) which will prove if a given triangle is equilateral or not.