Angles: Exercise

15⁰

AB is a straight line. What is the value of y?

72⁰

If there are four angles on a straight line and they are in the ratio 1 : 2 : 3 : 4, what is the size of the largest angle of the four?

60⁰

If there are three angles on a straight line and they are in the ratio 2 : 3 : 4 What is the size of the middle angle of the three?

60⁰

The angles on a straight line are x, 2x, 3x, 4x and 5x: What is the size of the greatest of the five angles?

34⁰

There are five angles on a straight line. One of them is 44° and the other four angles are all equal. What is the size of each of those equal angles?

35⁰

There are five angles on a straight line. Two of them are 32° and 43°, and the other three angles are all equal. What is the size of each of those *equal* angles?

133⁰

What is angle a?

28⁰

What is angle a?

50⁰

What is angle b?

48⁰

What is angle c?