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Find the value of X express each answer as a decimal rounded to the nearest tenth.

Find The Value Of X Express Each Answer As A Decimal Rounded To The Nearest Tenth class=

Sagot :

ameliaswan

Answer:

x = 15.6

Step-by-step explanation:

use the pythagorean theorem:

a² + b² = c²

a = 9

b = x

c = 18

(9)² + x² = (18)²

81 + x² = 324                    subtract 81 from both sides

x² = 243                            take the square root of both sides

x = √243

x = 15.6

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