Question

QUESTÃO 7: Determine o complemento de cada ângulo A) 68° B) 12°​

Answer 1

O complemento de cada ângulo, é:

• A) 68° = 22°
• B) 12° = 78°

.Ângulos.

• Resolução:

$\sf A) \: 68°$

$\sf 68° + 22° = 90º.$

$\sf B) \: 12°$

$\sf 12° + 78° = 90º.$

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Bons estudos...

E espero ter ajudado!✏

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Answer 2

$\large\boxed{\begin{array}{l}\underline{\rm Complemento\,de\,um\,\hat angulo}\\\sf Dado\,um\,\hat angulo\,x\,qualquer,o\,seu\,complemento\\\sf pode\,ser\,obtido\,atrav\acute es\,da\,express\tilde ao\,90^\circ-x\\\sf \underline{\tt exemplo\!:}\\\sf Se\,o\,\hat angulo\,for\,20^\circ,seu\,complemento\,ser\acute a\\\sf 90^\circ-20^\circ=70^\circ.\\\sf resumindo: dois\,\hat angulos\,s\tilde ao\,complementares\\\sf quando\,sua\,soma\,vale\,90^\circ.\end{array}}$

$\large\boxed{\begin{array}{l}\tt a)~\sf Se\,o\,\hat angulo\,mede\,68^\circ\\\sf seu\,complemento\,\acute e\,90^\circ-68^\circ=22^\circ.\\\tt b)~\sf Se\,o\,\hat angulo\,mede\,12^\circ\\\sf seu\,complemento\,\acute e\,90^\circ-12^\circ=78^\circ\end{array}}$