3. In figure, if AB 11 DE, LBAC = 35° and LCDE = 53°, find LDCE.
A
DE
3. In figure, if AB 11 DE, LBAC = 35° and LCDE = 53°, find LDCE.
A
DE
Harshit Singh , 5 Years ago
Grade 12th pass
9 grade maths> 3. In figure, if AB 11 DE, LBAC = 35° and...
1 AnswersPawan Prajapati
AB II DE and AE is.transversal.
.. LDEC = LBAC = 35° ...(i)
Now, in triangle CDE,
LCDE = 53° ...(ii) [Given] and LDCE + LDEC + LCDE = 180°
[Sum of angles of a triangle is 180°.]
::) LDCE +.35° + 53° = 180° [From (i) and (ii)]
::) LDCE = 180° - 88° = 92°.
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