Given: BD bisects AC and ∠CBE≅∠ADE.
2 answers:
Here
- BC=AD(Parallel)
- <BEC=<AEC
- <CBE=<ADE
So
∆BEC
∆AED(ASA)
Also similarly
- ∆ABE
∆CBE
Hence it's a paralleogram
Answer:
know that,
Sum of all four angles of a quadrilateral = 360o
Sum of two given angles = 40o + 110o = 150o
So, the sum of remaining two angles = 360o – 150o = 210o
Also given,
Ratio in these angles = 3 : 4
Hence,
Third angle = (210o x 3)/(3 + 4)
= (210o x 3)/7
= 90o
And,
Fourth angle = (210o x 4)/(3 + 4)
= (210o x 4)/7
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