Question

Find value of a and b

Answer 1

•We can see in first figure.. Vertically Opposite angles are there. So , 2a=140° . And, a= 70°

Now, in Second figure, Again , we know that Vertically opposite Angles are equal..
So, 100°= 4c. Therefore, c= 25°



#Cheers!!.^_^

Answer 2

(a) 140 = 2a (vertically opposite angle)
$a = 70 \: degree$

(b)
$4 \: c = 100 \: vertically \: opposite \: angle\\ c = 25 \: degree$
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