∠1 = 120°，find ∠2.

• 60°

• 50°

• 60

• 50

Corresponding Angle的中文是

• 同位角

• 内错角

• 同旁内角

• 对顶角

Alternate Angle的中文是

• 同位角

• 内错角

• 同旁内角

• 对顶角

Interior Angle on the same side of the transversal的中文是

• 同位角

• 内错角

• 同旁内角

• 对顶角

∠p and ∠a are

• corresponding angles

• alternate angles

• interior angles

∠r and ∠a are

• corresponding angles

• alternate angles

• interior angles

∠s and ∠a are

• corresponding angles

• alternate angles

• interior angles

∠q and ___ are corresponding angles.

• ∠b

• ∠c

• ∠a

∠r and ___ are corresponding angles.

• ∠ a

• ∠ b

• ∠ c

• ∠ d

∠r and ___ are alternate angles.

• ∠ a

• ∠ b

• ∠ c

• ∠ d