tray71016 tray71016
  • 31-05-2018
  • Mathematics
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in triangle ABCD, m
What is m

in triangle ABCD m What is m class=

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choixongdong
choixongdong choixongdong
  • 31-05-2018
Isosceles triangle because CA= CB
so <A = <B
4x + 5 = 5x - 1
        x = 6

<A = <B = 5(6) - 1 = 30 - 1 = 29

<C = 180 - 2(29)
<C = 180 - 58
<C = 122

answer
m<C = 122
°

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