Answer:
option 3, 45
Step-by-step explanation:
3x - 9° + 30° + 24° = 180° (angle sum property of a triangle)
3x - 9° + 54° = 180°
3x + 45° = 180°
3x = 180° - 45°
3x = 135°
x = 135/3
x = 45°
therefore, option 3 is the correct option
<span>facts provided or learned about something or someone."a vital piece of information"<span>synonyms:<span> details, particulars, facts, figures, statistics, data; <span>More</span></span></span>LAWa formal criminal charge lodged with a court or magistrate by a prosecutor without the aid of a grand jury.plural noun: pieces of information"the tenant may lay an information against his landlord"2.what is conveyed or represented by a particular arrangement or sequence of things?"genetically transmitted information"<span>COMPUTINGdata as processed, stored or transmitted by a computer.(in information theory) a mathematical quantity expressing the probability of occurrence of a particular sequence of symbols, impulses, etc., as contrasted with that of alternative sequences.</span></span>
Complementary angels add up to 90°
so x+18°=90°
so x=90-18=72°
Answer:
OR: 
Step-by-step explanation:
