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Angle Terminology with Equations
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Angle Terminology with Equations

Angle Terminology with Equations-example-1
User StefaDesign
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1 Answer

6 votes

Answer:

∠ B = 54°

Explanation:

Supplementary angles sum to 180°.

Sum A and B and equate to 180, that is

7x + 14 + 5x - 26 = 180, that is

12x - 12 = 180 ( add 12 to both sides )

12x = 192 ( divide both sides by 12 )

x = 16

Thus

∠ B = 5x - 26 = 5(16) - 26 = 80 - 26 = 54°

User Bmartin
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