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max2010maxim [7]
3 years ago
13

Please help me out !!!!

Mathematics
1 answer:
IgorC [24]3 years ago
5 0
I can’t see nun, sorry kid.
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Answer:

one side = \frac{a\sqrt{2}}{2}

Step-by-step explanation:

if you draw an octagon on a piece of paper, you can draw a square around it, you should be able to see a diagram of this attached, ignore the 6.

Let's say TP = a

since it's a regular octagon, TP = HT

and using the Pythagoras Theorem,  we know a² + b² = c² and thus:

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and since AT = HA which we will call x, the equation becomes:

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rearrange the equation to solve for x and you get:

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4 years ago
What property is shown in this equation? (2 X 1/2) + 8 = 1+8
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9.a

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Step-by-step explanation:

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