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# geometry

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A right triangle has legs of length 6 and b, and a hypotenuse of length c. The perimeter of the triangle is 15. Compute c.

Jan 8, 2022

#1
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b + c + 6 = 15

b = 9 - c

c2 = 62 + (9 - c)2

c = 6.5

Jan 8, 2022
#2
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$$6+b+c=15$$

$$36+b^2=c^2$$

$$c=\sqrt(36+b^2)$$ that is 36 and b^2 in the square root

$$c=6+b$$

$$6+b+6+b=15$$

$$12+2b=15$$

$$2b=3$$

$$b=1.5$$

$$c=15-7.5$$

$$c=7.5$$

Someone check my work plz maybe it is wrong and guest got a different answer so idk whose is right

Jan 9, 2022