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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