2 years ago

Find the length of the third side. If necessary, round to the nearest tenth.

Mathematics

1 answer:

joja [24]2 years ago

8 0

Answer: 5

Step-by-step explanation:

use formula a^2 + b^2 = c^2

a^2 + 12^2 = 13^2

a^2 + 144 = 169

- 144 -144

a^2 = 25

sqrt sqrt

a = sqrt (25)

a = 5

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