Answered

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An equilateral triangle has side lengths of 20. What is its
height? Write your answer in simplest radical form.
Then convert your answer to a decimal value.

Sagot :

irspow

Answer:

Step-by-step explanation:

(s/2)^2+h^2=s^2

h^2=s^2-(s^2/4)

h^2=(3s^2)/4

h=(s/2)(3^(1/2)), s=20

h=10(3^(1/2)) simplest radical form 10 times square root of 3

h=17.32 approximate decimal to nearest one hundredth

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