Question

value of Za, Zb, Zc, Zd, Ze and Zf.
b
е e
C С
A
P1000
D
D
B
8. In the given figure, AB || CD, ZABE = 120°, ZECD = 100°
and ZBEC = aº. Find the value of a°.
120°
aº
F
E
G
9. Two parallel lines I and m are cut by a transversal 'V'. If the interior angles on the same side on transversale
(2x - 8) and (3x - 7)º, find the measure of each of these angles.
IA
m т
Da
10. In the given figure, if Zx = Zy and Za= Zb. Prove that l || n.
Y
186​

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