This question is kinda hard me to answer. Need help on this.
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x = 6.
We know that the right angle is 90°. So:
(x + 54)° + 5x° = 90°
x° + 54° + 5x° = 90°
6x° + 54° = 90°
6x° = 90° - 54°
x = (90° - 54°)/6°
x = 36°/6°
x = 6
Then, solving for x we obtain:
5x° = 5(6)° = 30°
(x + 54)° = (6 + 54)° = 60°