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

12
13
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Find the length of the third side. If necessary, round to the nearest tenth. 12 13 Answer-example-1
User Rachael Dawn
by
2.9k points

2 Answers

17 votes
17 votes

Answer:

17.7

Explanation:

User Geddes
by
3.0k points
21 votes
21 votes

Answer:

5

Explanation:

Use pythagorean theorem. A^2+B^2=C^2

13 is c because it is the hypotenuse and across from the right angle

a is unknown and b is 12

A^2+12^2=13^2

A^2 +144 = 169

A^2 = 169- 144

A^2= 25

now take the sq root of both side

A = 5

User Atirit
by
3.1k points