Question

ABCD is a kite if angle BCD is equal to 40 degree find angle abc

Answer 1

hello friend!!
in the given figure:-
angle bcd = angle bad
therefore angle bad = 40
now, join CA such that CA is an angle bisector.

now, in ∆ACB,
angle BCA + ABC+ BAC = 180° (angle sum property of a triangle )
20 + 20 + ABC = 180 (CA is the bisector )
ABC= 180 -40
ABC = 140°

Hope it helps :)

Answer 2

Hello! Follow the above steps to find out the correct answer.
Process: put another diagonal which will be daigonal AC and then solve it in ^^^this method.
My answers are : angle BDC=70 degree and angle ABC=130 degree.
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