Question

Assertion (A): If two angles of a triangle are 30° and 70° then third angle is 800.
Reason (R): In a triangle the sum of all the three angles is 180°.
a) Both A and R are correct and R is the correct explanation of A
b) Both A and R are correct but R is not the correct explanation of A
c) A is correct, R is incorrect.
d) A is incorrect, R is correct.

I'll mark the best answer as the brainiest answer....​

Answer 1

Answer:

option:a

Step-by-step explanation:

30+70+80=180

thank for asking Queston

Answer 2

Answer:

option:a  

Step-by-step explanation:

30+70+80=180

thank for asking Question

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