1.

In the figure, x, y and z are the internal angles of ∆ABD. Line ED || AB and side AD is extrapolated to point P and the value of ∠EDP and ∠EDB are n and m, respectively. If x and z are 75∘ and 55∘ respectively, find the value of m + n.

Answer»

In the figure, x, y and z are the internal angles of ∆ABD. Line ED || AB and side AD is extrapolated to point P and the value of EDP and EDB are n and m, respectively. If x and z are 75 and 55 respectively, find the value of m + n.




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