lexied2303
lexied2303 lexied2303
  • 01-02-2017
  • Mathematics
contestada

Can someone help me with this please!~

The measures of the angles of △ABC are given by the expressions in the table.

Can someone help me with this please The measures of the angles of ABC are given by the expressions in the table class=

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Ozgr
Ozgr Ozgr
  • 01-02-2017
Note that sum of triangle interior angles is 180. So,

[tex](12x+12)+15+(3x+18)=180[/tex]

[tex]15x+45=180[/tex]

[tex]15x=135[/tex]

[tex]x=9[/tex]

Since [tex]A=12x+12=12.9+12=120[/tex]

And [tex]C=3x+18=3.9+18=45[/tex]
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avasky0801
avasky0801 avasky0801
  • 23-03-2020

Answer:

a=120

c=45

i took the quizzzz

Answer Link

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