Question

2{r+R}=b+c then angle A
a)60 b)30. c)90. d)45​

Answer 1

Step-by-step explanation:

2{r+R}=b+c then angle A

a)60 b)30. c)90. d)45

Option C

As it is perpendicular..

Answer 2

Answer:

2{r+R}=b+c then angle A

option c)90