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aleksley [76]
3 years ago
10

Find the value of X.

Mathematics
2 answers:
DedPeter [7]3 years ago
8 0

For this case we have an isosceles triangle, since they indicate that two of its sides are equal.


So, we have that the unmarked angle is also given by x degrees.


We know, by definition, that the sum of the internal angles of a triangle is 180.


So:


2x + 38 = 180

Clearing the value of "x" we have:


2x = 180-38\\2x = 142\\x = \frac {142} {2}\\x = 71

So, the angle x is 71 degrees


Answer:

x = 71 \ degrees


Vsevolod [243]3 years ago
4 0

Answer:

x=71

Step-by-step explanation:

180-38=2x

142=2x

x=71

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