Mathematics

# Two complementary angles measures $(2x+10)^{0}$ and $(x+20)^{0}$. What is the value of $x$.

$20^o$

##### SOLUTION
For complementary angles
$\displaystyle \left( 2x+10 \right)^{o} +\left( x+20 \right)^{o} ={ 90 }^{ o }$
$\displaystyle 3x+30^{o}={ 90 }^{ o }$
$\displaystyle 3x={ 60 }^{ o }$
$\displaystyle x={ 20 }^{ o }$

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Single Correct Medium Published on 09th 09, 2020
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