What is the acute angle measurement?

If one of the complementary angles is 60^o, then the other angle is ______.

Two pairs of adjacent sides are equal for _______.

1/6 of a right angle is

1/3 of a right angle is

What is the angle measurement of a circle?

The shape of an instrument box is ______.

What is the obtuse angle measurement?

1/2 of a right angle is

Degree measure of an acute angle is _______.