Mathematics
Grade9
Easy

Question

Solve for x. Explain your steps.
GIVEN: m angle A B C equals 90 to the power of ring operator end exponent

  1. 11
  2. 12
  3. 10
  4. 13 

hintHint:

Use the properties .
Angle Addition Postulate
Addition Property
Division Property

The correct answer is: 11


    Given  m angle A B C equals 90 to the power of ring operator end exponent

    Step 1 : 6x + (3x – 9) = 90 (Angle Addition Postulate)
    9x = 99 (Addition Property)
    x = 11 (Division Property)


     

    Simply solve for X . you cam get your answer . Sum of angles = 90 .
    Solve it for X .

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