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In a A B C ,\ /B=105^0,\ /C=50^0, Find ...

In a ` A B C ,\ /_B=105^0,\ /_C=50^0,` Find `/_A`

Text Solution

Verified by Experts

Sum of angles of a triangle is `=180@
a+b+c=180@`
`a^@+105^@+50^@-180^@`
`=a^@+155^@=180^@`
`a=180^@-155^@`
`a=25^@`
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