The circumference of a circle of radius
is

So, in your case, the circumference is

The circumference is actually the length of the "perimeter", so the answer to questions 1 and 2 looks the same actually
70000000 the reason that this is the answer to this is because if multiply 10 by 7 you will have 70 and just add 6 zeros
<span>6.16×10^6
10^6 = </span>10000006.16 x 1000000 = <span>6160000
</span><span>6,160,000 is your answer
</span>
hope this helps
Answer:
<h2>It is 1.27</h2>
Step-by-step explanation:

Thanks for this question :)
Step-by-step explanation:
Did you mean :
sin(x + 75°) = sin(15°)
x + 75° = 15°
x = 15° - 75°
x = -60°