IXL - Missing angles in diagrams: mixed review (Geometry practice)

or

Look at this diagram:

I

J

K

L

M

N

O

P

If

JL

and

MO

are parallel lines and

m

LKI

= 52°, what is

m

ONP

?

°

ref_doc_title.

or

Learn with an example

question

Look at this diagram:

M

N

O

P

Q

R

S

T

If

NP

and

QS

are parallel lines and

m

QRO

= 42°, what is

m

NOM

?

°

key idea

Corresponding angles are congruent.

solution

Find QRO and NOM.

M

N

O

P

Q

R

S

T

QRO and NOM are corresponding angles, so they have the same measure.

mNOM	=	mQRO

mNOM	=	42°

Looking for more? Try these:

Lesson: Angle bisectors

Lesson: Transversals of parallel lines

Lesson: Interior angles of triangles

Lesson: Vertical angles

or

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Work it out

Not feeling ready yet? These can help:

F.2Triangle Angle-Sum Theorem

C.4Find measures of complementary, supplementary, vertical, and adjacent angles

C.6Angle bisectors

D.4Transversals of parallel lines: find angle measures

Lesson: Angle bisectors

Lesson: Transversals of parallel lines

Lesson: Interior angles of triangles

Lesson: Vertical angles