Question

if angle differs from its complementary by 10 find the angle

Answer 1

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Let the angle be 'x',

Given that,

$x - 10^o = 90^o - x$

$x - 10^o - 90^o + x = 0$

$2x - 100^o = 0$

$2x = 100^o$

$x= 100^o/2$

$x= 50^o$