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Find the value of x.

Find the value of x.-example-1

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Answer:

Explanation:

remember the complementary angles,

the angle at the base, near the 78 degrees is 180-78=102, so we have a value for an angle inside the triangle

the acute angle near the 157 is 23 degrees,

we have now the angle near the x equal to

180-(102+23)=55 degrees

x=180-55=125 degrees

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