parsonsdestiny016 parsonsdestiny016

19-02-2021
Mathematics

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Solve for x. Round to the nearest tenth as needed

Solve for x Round to the nearest tenth as needed class=

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triggeredunicorn triggeredunicorn

19-02-2021

Step-by-step explanation:

by Pythagoras :

H²= B²+ P²

(7+x)²= x²+ 9²

49 + 14x + x² = x²+81

14x = x² -x²+81 - 49

14x = 32

x = 32/14 = 16/7 = 2.28 cm = 2.30 cm

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