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option a is correct
proof- 51+39=90
90 is complementary angle
so now 51-39=12
proved
proof- 51+39=90
90 is complementary angle
so now 51-39=12
proved
sumitkumar8:
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Let the one angle be a° ,other be (90-a)° [sum of complementary angles is 90°]
then , given
their difference =12°
a - (90 - a) = 12
a - 90 + a = 12
2a = 102
a = 51 ,
(90-a)=90-51
=39
hence required angles are 51° & 39°
(a) is correct
then , given
their difference =12°
a - (90 - a) = 12
a - 90 + a = 12
2a = 102
a = 51 ,
(90-a)=90-51
=39
hence required angles are 51° & 39°
(a) is correct
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