We know that area is the size of a surface
Answer:
Step-by-step explanation:
vertices are A(-3,3),B(-2,4),C(4,0)
slope of AB=(4-3)/(-2+3)=1/1=1
slope of BC=(0-4)/(4+2)=-4/6=-2/3
slope of CA=(3-0)/(-3-4)=-3/7
two lines are perpendicular if product of slopes=-1
so it is not a right angled triangle .
