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PLEASE HELP ILL GIVE BRAINLESS IM GOING TO FAIL

PLEASE HELP ILL GIVE BRAINLESS IM GOING TO FAIL class=

Sagot :

x=20
AD= 23
DC= 23
AC= 46


The median means both sides of the line AC are equal.

Therefore: x+ 3 = 2x-17
and we can solve this for x

Subtract x from both sides
x-x = 2x-x -17
3 = x -17

Add 17 to both sides
3 +17 = x -17+17
20 = x

The length of AD is x + 3, replace x with 20:
20 + 3 = 23



The length of DC is the same as AD (because they’re separated by the median) so DC= 46

AC is the length of AD + DC,
23+23= 46.
AC= 46