e. In the90<find the measure of 2AOB-AOD and CODgeven tigate, 2b-aes'

1.	e. In the90<find the measure of 2AOB-AOD and CODgeven tigate, 2b-aes' and .BOCtb
Answer» Given:∠BOC=902b−a=65 From the figure,∠AOB+∠AOD+∠BOC+∠COD=360=>a+2b+90+(2a+b+15)=360=>a+b=85 Add the given equation with this equation, we get2b−a+a+b=65+85b=50then, a=85−b=85−50=35∠AOB=a=35,∠AOD=2b=2×50=100∠COD=(2a+b+15)=2×35+50+15=135

e. In the90<find the measure of 2AOB-AOD and CODgeven tigate, 2b-aes' and .BOCtb

Answer»

Given:∠BOC=902b−a=65

From the figure,∠AOB+∠AOD+∠BOC+∠COD=360=>a+2b+90+(2a+b+15)=360=>a+b=85

Add the given equation with this equation, we get2b−a+a+b=65+85b=50then, a=85−b=85−50=35∠AOB=a=35,∠AOD=2b=2×50=100∠COD=(2a+b+15)=2×35+50+15=135