1.

.10 In the given figure ifa -b700 Find the value of a and b:5TD

Answer»

Given : a - b = 70 ....(2)

a and b linear pair

a + b = 180 .... (2)

Adding (1) and (2), thereby eliminating b

2a = 250

a = 125°

b = 180° - 125° = 55°



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