9514 1404 393
Answer:
45.6°
Step-by-step explanation:
The attached result was found by typing "arccos(7/10) in degrees" into a web browser search box.
Your calculator can give you the same result. The inverse cosine function often shares a key with the cosine function. It is often marked as cos⁻¹. Be sure that the angle mode is set to degrees, not radians.
<span>πr^2
</span><span>π x 12^2 = 452.3
</span>452.3 * 5.2(RPS) = 2352.4
Conversion from inches p/s to mph
2352.4ip/s = 2.23mph.
Hope this helps.
To fine one gallon:
---------------------------------------------------------------
Answer: 1 gallon can traveled 29 miles---------------------------------------------------------------
Step-by-step explanation:
area of the minor sector= angle of the sector/360 * πr²
= 77/360 *22/7* 10.7²
= 76.96in²
appx 77.0in²