Question

in adjacent figure value of x is(a) 75°(b) 65° (c) 60° (d) 95°​

Answer 1

Answer:

30°+(2x-40)°=180°. (linear pair)

30°-40+2x=180°

2x=180°+10

x=190/2

x=95°

Verification

30°+(2*95-40)°=180°

30°+(190°-40°)=180°

30°+150°=180°

LHS=RHS

So, X=95°

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