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andrew-mc [135]
4 years ago
6

If the perimeter of the regular decagon shown above is 136 1/4 inches, what is the length of each side?

Mathematics
1 answer:
victus00 [196]4 years ago
7 0
<h3>Answer: Choice A. 13 & 5/8 inches</h3>

Ideally you should always post the diagram to help us see the entire problem; however, the diagram is not needed in this case because we are told the figure is regular decagon. So there are 10 sides and each side is the same length. If each side is x inches long, then the perimeter is 10x inches.

10x = 136 & 1/4

10x = 136 + 1/4

10x = 136 + 0.25

10x = 136.25

x = 136.25/10

x = 13.625

x = 13 + 0.625

x = 13 + 625/1000

x = 13 + 5/8

x = 13 & 5/8

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Solve the equation. 2x − 3 4x = 21 x = −12 x = −6 x = 4 x = 6
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The solution of the equation after solve the equation, 2x − 3 4x = 21 is 4. Option 3 is correct.

<h3>How to obtain the solution of equation?</h3>

To obtain the solution of an equation, the similar terms should be arranged together and then mathematical operation need to be performed to simplify it.

The equation which is provided to solve is,

2x - 3 +4x = 21

To solve this equation, arrange the like terms as,

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Add number 3 both side of the equation as,

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Divide both side of the equation with number 6, we get,

x=\dfrac{24}{6}\\x=4

Hence, the solution of the equation after solve the equation, 2x − 3 4x = 21 is 4. Option 3 is correct.

Learn more about the solution of the equation here;

brainly.com/question/21283540

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