Answered

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Find the value of x. Round your answer to the nearest tenth, if needed.
20
18

Sagot :

hamdaanmohideen

Answer:

21.9

Step-by-step explanation:

The altitude of an isosceles triangle bisects the base. So, x represents the hypotenuse of a right triangle with legs of 9 and 20. It can be found using the Pythagorean theorem:

x^2 = 9^2 +20^2 = 81 +400

x = √481 ≈ 21.932

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