Answer:
Square root of 27
Step-by-step explanation:
First we'll show this is a right triangle by the Pythagorean Theorem:




Since
we have a right triangle, by the (converse to the) Pythagorean Theorem. We also see it's isosceles, AB=AC.


That's the end of the homework but I'll go on a bit.
Another way to show perpendicularity, essentially the same as the other two, is by a zero as the dot product of the sides as vectors, differences between vertices.
Vector AB = B - A = (3,2)
Vector AC = C - A = (-2, 3)
AB · AC = 3(-2) + 2(3) = 0
A zero dot product means
AB ⊥ AC
Answer:
Step-by-step explanation:
2.38333333
Answer:
y=1/2x+4
Step-by-step explanation:
y-y1=m(x-x1)
y-5=1/2(x-2)
y=1/2x-2/2+5
y=1/2x-1+5
y=1/2x+4
Note that the slope-intercept form is y=mx+b where m=slope and b=y-intercept.
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