Geometry Test 1

If the non-common sides of two adjacent angles lie in opposite directions on a straight line, then the two angles are

• equal

• complementary

• supplementary

• none of these

An angle of 90 degrees is

• an oblique angle

• an obtuse angle

• a reflex angle

• none of these

If two lines are perpendicular, they form at the point of intersection __.

• acute angles

• right angles

• obtuse angles

• none of these

A line segment has

• two endpoints

• one endpoint

• no endpoints

• none of these

If the sum of two angles is an obtuse angle, at least one of the angles MUST be

• acute

• right

• obtuse

• none of these

As the size of an angle increases, the size of its supplement ___.

• increases

• decreases

• remains the same

• none of these

In a right triangle, the side that is opposite the right angle is called the ____.

If two angles are vertical angles, then they are __.

If equal quantities are added to equal quantities, the ___ are equal.

If equal quantities are subtracted from equal quantities, the ___ are equal.