1.

ABC is a right-angled triangle in which `/_A= 90^@`and `AB = AC`. Find `/_B and /_Cdot`

Answer» As, `AB=AC`
S0,`/_B=/_C`
In`/_ABC`
`/_A+ /_B+/_C=180`
`90+2/_B=180`Hence,`/_B=45``/_C=45`


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