Find the size of the angle marked x in the diagram....
Find the size of the angle marked x in the diagram.
A.
108o
B.
112o
C.
128o
D.
142o
Correct answer is C
x + 52o = 90
x = 90 - 52
x = 38o
k = opposite angle Z
k = 38o
y + k = 90o
y + 38o = 90o
y = 90o - 38o
y = 52o
y = x = 180o(sum of angles on straight line)
52 + x = 180o
x = 180 - 52
x = 128
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