12. Find X & Y in the following :-
Please give me the answer now ....
Answers
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Answer:
Step-by-step explanation:
In a rectangle DC and AB are parallel.
So, alternate interior angles, ∠DCO and ∠OAB are equal.
∴ ∠DCO = ∠OAB
(X + 36)° = 68°
X = 68 - 36
X = 32°
As we know the in a rectangle the diagonals are equal and bisect each other.
So, AO = OB
Therefore, base angle of equal sides are also equal.
So, ∠OAB = ∠OBA
As we know that sum of all angles in a triangle =180°,
sum of all angles in ΔAOB = 180°
68° + 68° + Y° = 180°
136°+ Y° = 180°
Y° = 180° - 136°
Y° = 44°
∴ X = 32° and Y = 44°