Lesson Thirty-Fifth Review
Read nine arcs whose ends are marked. (Diagram 26.)
Read three arcs each of which is one-fourth of a circumference.
Read two arcs each of which is one-half of a circumference.
Why is e g an arc?
What is an arc?
How many degrees in the arc f h? In e h?
If the arc f h were divided into three equal parts, how many degrees would there be in each?
How many degrees in a circumference?
In a semi-circumference?
How many more degrees in a large circumference than in a small one?
If the arc i f is 40°, what is the size of the angle f o i?
If the angle f o g is an angle of 130°, what is the size of the arc f i h g?
How many degrees in each of the adjacent angles f o h, h o e?
When two adjacent angles are equal to each other, what is each called?
How many degrees in a right angle?