In ΔMNO, the measure of ∠O=90°, OM = 1.7 feet, and MN = 8.8 feet. Find the measure of ∠N to the nearest tenth of a degree.
1 answer:
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Answer:
(C) 4
Step-by-step explanation:
I am going to solve this by trial and error:
(A) 1
Is: ?
So 1 is not the digit of N.
(B) 2
Is: ?
So 2 is not the digit of N.
(C) 4
Is: ?
Correct, so the answer is c.
(D) 5
(E) 6
The formula for finding area of a circle is 
.
Essentially, we have two circles here. One is a larger outer circle, and the other in a smaller inner circle. In order to find the area of the sidewalk, we must find the area of the outer circle, then find the are of the inner circle. After we find both areas, we subtract.
See attached image for process of finding area, and subtracting areas to find the final area of the sidewalk.
Essentially, we have two circles here. One is a larger outer circle, and the other in a smaller inner circle. In order to find the area of the sidewalk, we must find the area of the outer circle, then find the are of the inner circle. After we find both areas, we subtract.
See attached image for process of finding area, and subtracting areas to find the final area of the sidewalk.