Angles - Remainder of 90 Degree Angle (Level 3)

This math topic focuses on finding the complementary angles that together form a 90-degree angle, helping to build students' understanding of basic geometry concepts. The questions present one angle and challenge the student to calculate the measure of the other to sum up to 90 degrees. This involves skills in subtraction related to angle measures. Geared towards fostering a solid grounding in geometry, particularly with intersecting, parallel, and perpendicular lines, this subject is essential for understanding broader geometrical relationships and angle properties.

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

Angles - Remainder of 90 Degree Angle Worksheet

Math worksheet on 'Angles - Remainder of 90 Degree Angle (Level 3)'. Part of a broader unit on 'Geometry - Angle Basics' Learn online: app.mobius.academy/math/units/geometry_angle_basics/

1

A 90º angle is made up of a 30º angle and another angle. How many degrees is the other angle?

a

60º

b

50º

c

40º

d

70º

e

80º

f

45º

2

A 90º angle is made up of a 40º angle and another angle. How many degrees is the other angle?

a

45º

b

50º

c

70º

d

60º

e

35º

f

30º

3

A 90º angle is made up of a 30º angle and another angle. How many degrees is the other angle?

a

40º

b

70º

c

80º

d

60º

e

55º

f

65º

4

A 90º angle is made up of a 30º angle and another angle. How many degrees is the other angle?

a

40º

b

80º

c

60º

d

65º

e

75º

f

50º

5

A 90º angle is made up of a 35º angle and another angle. How many degrees is the other angle?

a

70º

b

75º

c

50º

d

30º

e

55º

f

60º

6

A 90º angle is made up of a 30º angle and another angle. How many degrees is the other angle?

a

80º

b

45º

c

75º

d

50º

e

70º

f

60º

7

A 90º angle is made up of a 45º angle and another angle. How many degrees is the other angle?

a

40º

b

45º

c

55º

d

30º

e

20º

f

50º