Question

2 In the given figure 111m. Find the value of a, b, c.
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Answer 1

Answer:

Here ∠HGB=∠AGE(vertically opposite angles)

∠HGB=110∘

Now, for parallel lines l and m, with transversal t.

∠HGB+∠GHD=180∘(Angles on the same side of the transversal are supplementary)

110∘+∠GHD=180∘

∠GHD=180∘−110∘=70∘

For parallel lines l and m with transversal a

∠AIE=∠CJI (corresponding angles)

⇒x=100∘