Question

(20 POINTS!!!) which of the following terms describe the relationship between <CFD and <DFE? Chose all that apply. (2)

A: adjacent angles B: complementary angles C: supplementary angles D: Verticle angles

Answer 1

A: adjacent angles: The angle ∠CFD & ∠DFE are directly next to each other, making them adjacent angles.

B: Complementary angles: Note that m∠BFC measures at 90°. m∠BFE is a straight line, with 180°. This means that ∠BFE - ∠BFC = ∠DFE.

180 - 90 = 90 ∴ m∠DFE = 90°

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