Bbrainly101 Bbrainly101

04-06-2015
Mathematics

Answered

What is the value of x? Round to the nearest tenth.

What is the value of x Round to the nearest tenth class=

Answer :

annabellthegrea annabellthegrea

04-06-2015

plug in what you know.
12² + b² = 30²

144 + b² = 900

subtract 144 from 900. You should get 756

√b² = √756

b = 27.5

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