Answer:
28
Step-by-step explanation:
21 divided by 3 is 7, take that 7 and multiply it by the 4. Hope this helps!
Answer:
<h3>C. 113°</h3>
Step-by-step explanation:
(7x - 1) + 79° = 21x + 8
• An exterior angle of a triangle is equal to the sum of its two interior opposite angles.
NRS = 21x + 8
Answer:
Second one. Trust me. I did it with calculator