IXL | Transversals of parallel lines: name angle pairs

TV
and
WY
are
parallel
lines.

Which angles are corresponding angles?

YXU and VUS

YXU and WXZ

YXU and WXU

YXU and VUX

ref_doc_title.

Learn with an example

question

SU
and
VX
are
parallel
lines.

Which angles are alternate interior angles?

XWT and UTR

XWT and STW

XWT and VWT

XWT and VWY

key idea

A transversal is a line that intersects two other lines.

Two angles formed by a transversal crossing two lines are alternate interior angles if they are between the two lines and are on opposite sides of the transversal, but are not adjacent.

solution

The
transversal
is
RY
.

First find XWT.

Check each pair of angles.

XWT and UTR are not alternate interior angles. They are on the same side of the transversal.

XWT and STW are alternate interior angles.

They
are
between
SU
and
VX
and
are
on
opposite
sides
of
the
transversal,
but
they
are
not
adjacent.

XWT and VWT are not alternate interior angles. They are adjacent angles.

XWT and VWY are not alternate interior angles. VWY is not between the parallel lines.

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Lesson: Transversals of parallel lines

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