Question

Find the values of the unknows x and y
diagrumi
in the following
350​

Answer 1

By using external angle property

x+50

o

=120

o

∴x=70

o

Sum of all angles of a Δle is 180

o

50

o

+x+y=180

o

50

o

+70

o

+y=180

o

∴y=60

o

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