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Kruka [31]
3 years ago
7

Can someone help me with this please!~

Mathematics
2 answers:
Eduardwww [97]3 years ago
7 0
Note that sum of triangle interior angles is 180. So,

(12x+12)+15+(3x+18)=180

15x+45=180

15x=135

x=9

Since A=12x+12=12.9+12=120

And C=3x+18=3.9+18=45
Tems11 [23]3 years ago
5 0

Answer:

a=120

c=45

i took the quizzzz

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