Find the length of the unknown side. Round your answer to the nearest tenth.
1 answer:
17.5
Explanation:
So if we use the formula a^2+b^2=c^2
We would fill it in as 4^2+b^2=18^2
Then solve
16+b^2= 324
Then subtract 16 from both sides
B^2 = 308
Then you find the square root of 308
17.5
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