(1, 9) and (11,1)
slope
= (9 - 1)/(1 - 11)
= 8 /-10
= -4/5
= - 0.8
answer
slope = - 0.8
Answer:
An acute triangle can be equilateral
An equilateral triangle is always equiangular.
A right triangle can be scalene.
An acute triangle can be isosceles
Step-by-step explanation:
