Gate2018 cs Q8
0. In the figure below, ∠DEC+∠BFC is equal to __________.
- Option : A
- Explanation :
∠E + ∠F = ?
α + q + E = 180 ...(i)
α + β + F = 180 ...(ii)
α + β + p + q = 360 ...(iii)
Equation (i) + (ii) = (iii)
α + q + E + α + β + F = α + β + p + q
E + F = p - α
