parisnavarro6022 parisnavarro6022

24-06-2021
Mathematics

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(6x+15)°
63° triangle

6x15 63 triangle class=

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jimrgrant1 jimrgrant1

24-06-2021

Answer:

x = 2

Step-by-step explanation:

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

Sum the 3 angles and equate to 180

6x + 15 + 90 + 63 = 180

6x + 168 = 180 ( subtract 168 from both sides )

6x = 12 ( divide both sides by 6 )

x = 2

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