To determine the measure of the angle with the cosine value equal to 0.208, we have to use the inverse trigonometric functions. In this number, we have the arccosine which is also written below.
cos⁻¹(0.208) = 77.9948⁰
Therefore, the measure of the angle with cosine equal to 0.208 rounded to the nearest thousandth is <em>77.995⁰</em>.
The length of the bottom beam =9.16 feet
<h3>What is Pythagoras theorem?</h3>
the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.
Given : Total length of arm = 3.4+3.4=6.8 ft
Applying Pythagoras in triangle on right side we have,
H²=P²+ B²
6.8²= P² + 4.8²
46.24= P² +23.04
P²= 23.2
P= 4.81 feet
Similarly, on the triangle on left side.
Again we have the base as 4.81 feet.
Now, the length of the bottom beam= 4.81*2
=9.16 feet
Learn more about Pythagoras theorem here:
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Answer:
40 1/2 inches
Step-by-step explanation:
Maddy, I think you meant your circumference (not circumstances) is 81π inches (not square inches).
C = 2πr, so:
81π in
r = ------------ = (81/2) inches, or 40 1/2 inches This is the radius.
2π
Answer:
24 + 6
Step-by-step explanation:
Answer:
-29 and -12
Step-by-step explanation: