Mathematics: In a given isosceles triangle one of the angles is 60 degrees. if one of the sides is 21 and the other is 3x. then what is the value of x?

In a given isosceles triangle one of the angles

Ответ:

ling95

12.01.2022

The triangle has to be equilateral...

So, 21 = 3x
/3 /3
7 = x

X = 7.

But I'm not sure because the question does not make any sense.

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Ответ:

helo55

19.10.2020

Mathematics

All the place values of 12, 354.897 are as follows: 12 thousands, 3 hundred, 5 tens, 4 ones, 0.8 tenths .09 hundredths, .007 thousandths.

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In a given isosceles triangle one of the angles is 60 degrees. if one of the sides is 21 and the other is 3x. then what is the value of x?

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