Question

2
12. If x/2=y/2= k and x+y = 90°, then angles x,y are
Relevant
A) 18°,72° b) 36,54 c) 30°,60°
d) 25*,63​

Answer 1

Answer:

$\frac{x}{2} = \frac{y}{2} = k\:(given)\\ x = y = 2k \\ x + y = 90\:(given) \\ 2k + 2k = 90 \\ 4k = 90 \\ k = 22.5 \\ hence, \: x = y = 45°$

45° is the right answer.