Respostas

  • Usuário do Brainly
2014-08-06T01:22:17-03:00
S0ma deles 360°

x+2x+10+3x-32+x-10=360°

7x-32=360

7x=360+32

7x=392
x=56°

⇒x=56°
2°⇒2x+10=2(56)+10=112+10=122°

3°⇒3x-32=3(56)-32=168-32=136°

4°⇒x-10=56-10=46°
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