Question

.If ∆ ABC  ∆PQR and ∠ A =60⁰ and ∠ B=70⁰ then what is the measure of ∠R?
​

Answer 1

A) Answer is 50°.

Step-by-step explanation:

If ∆ABC =180°

(<A=60)+(<B=70)+(C=180°)

A+B+C=180°

C=180-A+B

C=180-(60+70)

=130

C=180-130=50

So, the <C=50°