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Serhud [2]
3 years ago
14

Find the value of x 48° 132° 132° X°

Mathematics
1 answer:
enot [183]3 years ago
5 0

Answer:

X°

Step-by-step explanation:

there’s no other clues to what it could be, and since it’s x it would be X°

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A stop sign is a regular octagon. The standard stop sign has a 16.2 inch radius. The area of a standard stop sign is ___________
juin [17]

The area of standard stop sign regular octagon is 742.3 squared inches, if the standard stop sign has a 16.2 inch radius.

Step-by-step explanation:

The given is,

               Radius of standard stop sign is 16.2 inch radius

Step:1

              The regular octagon is equal to the 16 right angled triangle,

                    Angle of right angle triangle  = \frac{360}{16} = 22.5°

              Ref attachment,

              From the OAB right angle triangle,  

              Trigonometric ratio,

                                 sin ∅ = \frac{Opp}{Hyp}        

              Where, ∅ = 22.5°

                           Hyp = Radius = 16.2 inches

              Ratio becomes,

                           sin 22.5°= \frac{b}{16.2}

                                       b = (0.374607)(16.2)

                                       b = 6.19947 inches

             Trigonometric ratio,

                                 cos ∅ = \frac{Adj}{Hyp}        

              Where, ∅ = 22.5°

                           Hyp = Radius = 16.2 inches

                            Adj = h

              Ratio becomes,

                           cos 22.5°= \frac{h}{16.2}

                                       h = (0.9238795)(16.2)

                                       h = 14.967 inches

Step:2

           From the triangle OAC,

                             Area, A = \frac{1}{2} (Height )( Base)

          Where, Height = 14.967 inches

                       Base = b + x = 6.19947 + 6.19947

                                             = 12.3989 inches

           From the values equation becomes,

                                       A = \frac{1}{2} (14.967)(12.39894)

                                       A = 92.7875 Squared inches

Step:3

           The octagon is equal to sum of 8 triangles

            Area of octagon = 8 × Area of triangle

                                        = 8 × 92.7875

                                        = 742.3 squared inches

Result:

        The area of standard stop sign regular octagon is 742.3 squared inches, if the standard stop sign has a 16.2 inch radius.

 

                               

7 0
3 years ago
To add integers with like signs, add the integers with unlike sign's subtract the integers and copy the sign of the integers wit
melisa1 [442]

To add integers with different signs, subtract the lesser absolute value from the greater absolute value. Use the sign of the integer with the greater absolute value for the sum. The following steps will be useful to find the sum of two numbers with different signs.

3 0
3 years ago
Jimmy receives his first 3 video games free then pays $50 for each game after that. Is the amount of money he spends on video ga
bagirrra123 [75]

no and that's the answer.


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3 years ago
Read 2 more answers
Mrs. Johnson walks 16 miles in 4 hours.
Irina-Kira [14]
I think the answer is no
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2 years ago
Explain how to evaluate 3 to the fourth power
Nikolay [14]

Answer:

3 to the fourth power would basically mean 3 x 3 x 3 x 3

Step-by-step explanation:

Alot of people get this confused with 3 x 4 but when multuply to the power of four its 3 x 3 x 3 x 3 which is 81

Brainliest?

5 0
3 years ago
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