megan9136 megan9136
  • 17-04-2017
  • Mathematics
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How do I know which one is complementary?

How do I know which one is complementary class=

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kkaasshh
kkaasshh kkaasshh
  • 17-04-2017
Complementary angles are 90 degrees
Supplementary angles are 180 degrees.

you add two angles and they have to equal either 90 or 180 in order to be complementary or supplementary.

the answer is B because <SXT is 25 and <TXU is 65. when you add those two, the answer is 90.
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