manuelll manuelll

25-11-2021
Mathematics

contestada

Find the value of x.

Find the value of x class=

Respuesta :

jimrgrant1 jimrgrant1

25-11-2021

Answer:

x = 11

Step-by-step explanation:

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

Sum the 3 given angles and equate to 180

3x + 4 + 5x - 2 + 90 = 180

8x + 92 = 180 ( subtract 92 from both sides )

8x = 88 ( divide both sides by 8 )

x = 11

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