Mathematics

# $AB$ and $AC$ are opposite rays.If $\angle{BAD}={85}^{\circ},$find $\angle{CAD}$

##### SOLUTION
Since $\angle{BAD}$ and $\angle{DAC}$ form a linear pair.

$\Rightarrow \angle{BAD}+\angle{DAC}={180}^{\circ}$

$\Rightarrow {85}^{\circ}+\angle{DAC}={180}^{\circ}$

$\Rightarrow \angle{DAC}={180}^{\circ}-{85}^{\circ}$

$\therefore \angle{DAC}={95}^{\circ}$

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Subjective Medium Published on 09th 09, 2020
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