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ziro4ka [17]
2 years ago
14

Solve using the pathagorean theorem​

Mathematics
2 answers:
steposvetlana [31]2 years ago
8 0

Pythagorean Theorem: \sqrt{a^{2} * b^{2}}  = c^{2}

In this problem, only sides b and c are given. In this situation, since we want to find a, it's:

a^{2} = \sqrt{c^{2} - b^{2}}

a^{2} = \sqrt{10^{2} - 9^{2}}

9^{2} = 81\\10^{2} = 100

After given squared numbers are solved, now we solve for a:

a^{2} = \sqrt{100 - 81}

a^{2} = \sqrt{19}

a = 4.358 . . . :)

Annette [7]2 years ago
5 0

Answer:

√19 or 4.36 to the nearest hundredth

Step-by-step explanation:

10^2 = 9^2 + x^2

x^2 = 10^2 - 9^2

x^2 = (10-9)(10+9) = 19

x = √19.

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