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zaharov [31]
1 year ago
7

Tell whether the angles are complementary or supplementary. Then fir the value of x.

Mathematics
1 answer:
Helga [31]1 year ago
4 0

Answer:

Step-by-step explanation:

4. 10x + 30 = 90

    10x = 60

     x = 6

   complementary

5. 4x + 40 + 3x = 180

   7x + 40 = 180

   7x = 140

    x = 20

   supplementary

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