Calculating Angles

Work out the size of angle a.

• 135°

• 125°

• 110°

• 100°

Work out the size of angle x.

• 129°

• 139°

• 149°

• 221°

Work out the size of angle x.

• 37°

• 47°

• 57°

• 67°

Work out the size of angle b.

• 80°

• 90°

• 100°

• 110°

Find the measure of the indicated angle.

• 9.39

• 55.2

• 20.2

• 19.4

• 38.66
• 36.87
• 53.13
• 45.71

Find cos A

• 30/16

• 30/34

• 30/15

• 16/34

Find the measure of the missing angle.

• 49^o

• 50^o

• 41^o

• 33^o

• 32.58
• 57.42
• 31.44
• 59.02

• 39.89
• 33.29
• 56.71
• 42.93