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Answered by
1
Answer:
Good Evening
Step-by-step explanation:
In ∆ABC ,
A+B+C = 180°
=> C = 180-80+30
=> C = 70°
LCD = B = 30° [ ANS ]
ACL = 180° - 30+70= 80° [ ANS ]
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Answered by
1
Answer:
AB || CL ---- Given.
/ BAC = / ACL ---- Alternate angle.
hence , / ACL = 80 ° .
/ A + / B + / C = 180 ° ---- Sum of all angles of
a triangle .
hence , 80 + 30 + / C = 180° .
110 + / C = 180° .
/ C = 180° - 110 .
/ C = 70° .
/ C = 70 ° , therefore , / LCD = 70° .
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