someoneunknown10 someoneunknown10

19-01-2021
Mathematics

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DE is the perpendicular bisector of AC.
PLEASE HELP WILL GIVE BRAINLIEST!

DE is the perpendicular bisector of AC PLEASE HELP WILL GIVE BRAINLIEST class=

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pancake1127 pancake1127

19-01-2021

Step-by-step explanation:

AB=BC

8x+6=6x+18

2x=12

x=6

so

AB= 48+6=54cm

BC=36+18=54cm

AD=CD

8y+20=12y-8

-4y=-28

y=7

so

AD= 84-8=76cm

CD=56+20=76cm

AE=2x+4y

AE=2×6+4×7

AE=40cm

AC=2×40=80cm

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