Missing Angle on the Parallelogram (Level 1)

This math topic focuses on finding the missing angles in parallelograms. It emphasizes the geometric property that the sum of the interior angles of a parallelogram is always 360 degrees. Each problem presents a diagram of a parallelogram, where students are required to apply their understanding of angles to determine the missing measurement. The problems are structured to reinforce the concepts of angle relationships and arithmetic within the context of geometry, particularly as part of an introductory unit on angles and transformations.

Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

Missing Angle on the Parallelogram Worksheet

Math worksheet on 'Missing Angle on the Parallelogram (Level 1)'. Part of a broader unit on 'Geometry - Angles and Transformations - Intro' Learn online: app.mobius.academy/math/units/geometry_angles_and_transformations/

1

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

100

b

150

c

140

d

110

e

160

f

130

2

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

70

b

60

c

50

d

40

e

30

f

20

3

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

40

b

50

c

60

d

70

e

30

f

80

4

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

110

b

90

c

120

d

100

e

70

f

130

5

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

130

b

150

c

160

d

140

e

110

f

120

6

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

180

b

160

c

140

d

150

e

120

f

130

7

Find the missing angle of the parallelogram given that the interior angles must add up to 360°

a

120

b

90

c

110

d

150

e

130

f

140