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Please help with this math problem!!!!

Please Help With This Math Problem class=

Sagot :

thebecks

Answer:

angle 1=20 degrees

angle 2=70 degrees

angle 3=20 degrees

angle BAD=140 degrees

angle ADC=40 degrees

perimeter of ABCD=43.08

Step-by-step explanation:

angle 1=20 degrees

angle 2=70 degrees

angle 3=20 degrees

angle BAD=140 degrees

angle ADC=40 degrees

segment AB^2=(8/2)^2+(20/2)^2

AB^2=16+100=116

AB=10.77

perimeter=4(AB)=4(10.77)=43.08

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