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Sergeu [11.5K]
3 years ago
10

Yu-Xi draws a triangle with two angles measuring 79 degrees and 23 degrees.What is the measure, in degrees, of the third angle?

Mathematics
2 answers:
arlik [135]3 years ago
7 0
79+23=102
180-102=78
the third angle is 78 degrees
Amiraneli [1.4K]3 years ago
5 0

Answer:

The Triangle Drawn by ,Yu-Xi,has measure of two angles ,79° and 23°.

All the Basic Learners who knows Math ,that,sum of Measures of three Interior angles of Triangle is 180°.

→79°+23°+Third Angle =180°

→102°+Third Angle =180°

→Third Angle =180° -102°

Third Angle =78°

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Sladkaya [172]

The expression is simplified to give -7x^2 - 11x

<h3>What are algebraic expressions?</h3>

Algebraic expressions are expressions that contains variables, constants, factors and coefficients.

They are also made up of arithmetic operations such as addition, subtraction, multiplication, division, etc.

From the information given, we have;

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expand the bracket

-x^2 - 5x - 6x^2 - 5x

collect like terms

-7x^2 - 11x

Thus, the expression is simplified to give -7x^2 - 11x

Learn more about algebraic expressions here:

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