Im working on reflections and I am confused on what the reflection of A would be? I'm trying to find the reflection of (0,5) ove
r the Yaxis? The rule is this: (x,y)->(-x,y) but there is no such thing as -0......so... yea thats why im confused? Or is the reflection unchanging? is A'=0,5?
1 answer:
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If this is an equilateral triangle, we need half of it to find the height which is a leg of a right triangle with a hypotenuse of 15. That means that the base of this half triangle is 7.5. Use Pythagorean's Theorem to fine the height. 
. x = 12.99 or 13
Slope is given by the expression:
We can equal both slopes of mAC and mCE
Answer is B.