Question

Find the value of $\angle C$ in the below triangle if the value of $\angle CAB$ = 25${}^o$. [3 MARKS]

Answer 1

Properties : 1 Mark
Steps : 1 Mark
Result : 1 Mark

In the given triangle CAB
Sum of interior angles = exterior angle
Or, $\angle C$ + $\angle CAB$ = 90${}^o$
Or, $\angle C$ = 90${}^o$ - 25${}^o$
Or, $\angle C$ = 65${}^o$