Maths · Trigonometrical identities and trigonometrical functions

A pair of angles with a common vertex and common arm are called

A pair of angles with a common vertex and common arm are called

  • A. adjacent angles
  • B. complementary
  • C. supplementary
  • D. none

Step-by-step solution

Adjacent angles share a common vertex and a common arm. Complementary angles sum to 90°, supplementary sum to 180°, neither require a common arm.
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