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Talja [164]
3 years ago
14

I’m not sure on how to do this so could you show me step by step?

Mathematics
1 answer:
likoan [24]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

So the circumfrehce of a circle is basically the perimiter of the circle. Let me help with number 1. We need to find the radius. In order to do tuis we divide 6 in half giving us 3. Then we plug in 3 into the circumfrence formula (Pi times the radius multiplied by 2). So it would be 3.14*3*2. The answer for number 1 is 18.85

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the hypotenuse of a right triangle has a length of 13cm the longer of the two legs is 7cm longer than the shorter leg
Margarita [4]

Let's say the shorter side is x.

So, the longer side would be ( 7 + x )

Now we have to use the Pythagorean Theorem to find the value of x.


a² + b² = c²

( 7 + x )² + x² = 13

7² + x² + x² = 13²

49 + 2x² = 169

2x² = 169 - 49

2x² = 120

x² = 60

x = √60


So the longer side is ( 7 + √60 ) and the shorter side is √60


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