Question

please tell me true answer​

Answer 1

Answer:

3) Complementary angle = 90

Let angle be $x$

complement = $90$

$x = \frac{(90-x)}{2} +30$

$x = \frac{90 - x +60}{2}$

$x = \frac{150-x}{2}$

$2x = 150-x$

$2x + x = 150$

$3x = 150$

$x = \frac{150}{3}$

$x = 50$°

The angle is 50°