Question

2)sabendo que os ângulos complementares calcule o valor x​

Answer 1

$a)x+45=90$

$x=90-45$

$x=45$

$b)x+15+35=90$

$x=90-50$

$x=40$

$c)2x+70=90$

$2x=90-70$

$2x=20$

$x=\frac{20}{2}$

$x=10$