Question

Two angles of a triangle are of measure ${75}^o$ and ${35}^o$. Find the measure of the third angle.

Answer 1

We have,

angle (A) and angle (B)

$\therefore a+b+c={180}^o$

$\therefore a=35,b=45$

$35+45+c=180$

$c=180-35-45$

$c=100$

Hence, this is answer.