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3 votes
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Pls help me :( Find the value of x. Round to the
nearest tenth.

Pls help me :( Find the value of x. Round to the nearest tenth.-example-1
User LCB
by
2.8k points

1 Answer

19 votes
19 votes

Answer:

11.3

Explanation:

Set up your equation:

a² + b² = c²

Plug in your values:

a² + 4² = 12²

Get a² by itself:

a² = 12² - 4²

Square your numbers and subtract:

a² = 144 - 16

a² = 128

Find the square root of both sides:

√a² = √128

a = 11.3

User IanTimmis
by
2.9k points