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Guineapilover

16.1. Solve by using the Pythagorean Theorm. b squared+8 squared= 18 squared. b squared+64=324. Subtract 64 from both sides to get b squared=260. Square root 260 to get 16.1

JeanaShupp

Answer: A . 16.1

Step-by-step explanation:

In the figure we have a right triangle in which one of the leg's length is missing.

  • Pythagoras theorem of right triangles says that the square of hypotenuse is the sum of the squares of the two legs.

For the given triangle , we have\((18)^2=b^2+8^2\)

i.e. \(\Rightarrow\ 324=b^2+64\)

i.e. \(\Rightarrow\ b^2=324-64\)

i.e. \(\Rightarrow\ b^2=260\)

i.e. \(\Rightarrow\ b=\sqrt{260}=16.1245154966approx16.1\)

Hence, the missing side = 16.1 units

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