david3d1997 david3d1997

26-11-2020
Mathematics

contestada

for what value of X is ABCD a rectangle ? explain your answer

for what value of X is ABCD a rectangle explain your answer class=

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JennyTheBest813 JennyTheBest813

26-11-2020

Answer:

10

Step-by-step explanation:

If ABCD is a rectangle, then AB=CD and AC=BD.

AC=BD, so x+6=2x-4
Subtract, -x+6=-4
Subtract, -x=-10
Make positive, x=10

Check work:

10+6=2(10)-4
10+6=20-4
16=16

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