(20 ! ) 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

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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a - base

b - exponent

so,

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