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Standard VIII
Mathematics
Question
The difference between the complementary and supplementary angles of
70
o
is:
70
o
80
o
90
o
60
o
A
60
o
B
80
o
C
70
o
D
90
o
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Solution
Verified by Toppr
Let the supplement be
x
⇒
x
+
70
∘
=
180
∘
⇒
x
=
180
∘
−
70
∘
=
110
∘
Let the complement be
y
⇒
y
+
70
∘
=
90
∘
⇒
y
=
90
∘
−
70
∘
=
20
∘
Difference between supplememnt and complement
=
x
−
y
=
110
∘
−
20
∘
=
90
∘
So option
D
is correct.
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