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Mazyrski [523]
4 years ago
8

Please help again! ^^

Mathematics
1 answer:
Elina [12.6K]4 years ago
6 0

Answer:

27 cm

Step-by-step explanation:

This is a right triangle, so we can use the Pythagorean theorem

a^2 +b^2 =c^2

a and b are the legs and c is the hypotenuse.We know one of the legs is 13 and the hypotenuse is 30

13^2 + b^2 = 30^2

169 + b^2 = 900

Subtract 169 from each side

169-169 +b^2 = 900-169

b^2 = 731

Take the square root of each side

sqrt(b^2) =sqrt(731)

b = 27.03

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