Complementary
Angles A and B are complementary. Angle A is 290. Find the measure of angle B?
61 degrees
If two different lines intersect, then they intersect at exactly _____________ .
one point.
If two angles are vertical angles then they are ___________________ .
Congruent
True or False: A complement of an angle is sometimes obtuse.
False
If two angles are supplementary to two congruent angles, then they are ________________.
Congruent
If two lines intersect to form a right angle, then the lines are ________________.
Perpendicular
In a linear pair, the angles are...
A) complementary B) supplementary
C) 90 degrees D) 360 degrees
B. Supplementary
If angle C is the complement of angle D, what is the sum of their measures?
A) 45 degrees B) 360 degrees
C) 90 degrees D) 180 degrees
C. 90 degrees
If angles M and N are supplementary, what is the sum of their measures?
A) 45 degrees B) 90 degrees
C) 360 degrees D) 180 degrees
D. 180 degrees
True or False: Vertical angles are sometimes adjacent.
False
Angles A and B form a linear pair. If angle B measures 87 degrees, what is the measure of angle A?
93 degrees
Find the measures of LA and LB if LB = 30 + LA and they are complementary.
LA = 300 , LB = 600
Find the measures of LA and LB if LB = 30 + LA and they are supplementary.
LA = 750 , LB = 1050
______ are angles that have a common side and there is no point that is common to the interior of both angles.
Adjacent angles
Two angles form a ________ if and only if the angles are adjacent and the non common sides form opposite rays.
linear pair