इन ए बी सी ए प्लस बी इक्वल टू 65 डिग्री और बी प्लस सी इक्वल टू 1 डिग्री तो बी का मान है
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Answer:
<A=40°
<B=25°
<C=115°
Step-by-step explanation:
<A+<B+<C=180°
(<A+<B)+<C=180°
65°+<C=180°
<C=180°-65°=115°
<B+<C=140°
<B+115°=140°
=<B=140-115=25°
<A+<B=65°
=<A+25°=65°
=<A=65°-25°=40°
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