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Vikentia [17]
3 years ago
13

Find the value of x.

Mathematics
2 answers:
Mamont248 [21]3 years ago
7 0

Answer:

x = 27

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the given angles and equate to 180

90 + x + 23 + x + 13 = 180, that is

126 + 2x = 180 ( subtract 126 from both sides )

2x = 54 ( divide both sides by 2 )

x = 27

svp [43]3 years ago
7 0
X = 26°, Reason, Interior Angles of a triangle add up to 180°
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