1 Answer

Marimba · Answer 1 · 2023-09-01T19:21:06+0000

Answer:

√19

Explanation:

Pythagoras's theorem:

a^(2) +b^(2) =c^(2)

Where side c is the hypotenuse and sides a and b do not matter if switched.

9²+b²=10²

81+b²=100

b²=100-81

b²=19

b=√19

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