Find the values of x and y in each
a.
40
N
50°
70°
Find the values of x and y in each
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Find the values of x and y in each
a.
40
N
50°
70°
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Answer:
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