Y=9x-2x pleas help me find the answer

isocolese triangle

we know that the line connect a and b is the hyptonuse

so first find the hypotonuse length using the distance formula, call the length c

since it is an isocolese triangle, the lengths of the legs are the same

using pythagorean theorem,

in this case, a=b since isocolese triangle so we get

or

we can find c so we can find the distances

we know that if we draw 2 circles, each has center at a and b, and find where they intersect, we can the 2 possible locations for c

if a has center at (xa,ya) and b has center at (xb,yb), then we can solve where

and

intersect to find where they intersect

i'm not going to put an example because i have to go to class. i hope this explanation is enough

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diagonal is     or     16.97

step-by-step explanation:

from pythagorian theorem we know,

if a is perpendicular, b is base and c is hypotenuse,

then we get

now, for a square,

perpendicular and base are equal,

since all the sides of a square are equal.

so, we get,

this is the special version of pythagorian theorem for a square.

so, if the diagonal is d and length is 12 , then we get

by square rooting we get,