Vocabulary
The measure of a second angle if the measure of the first angle is 42° and the two angles are congruent.
What is 42?
The sum of the interior angle measures of a pentagon.
What is 540º?
Two angles whose measures add up to 90°
What are complementary angles?
The measure of the third angle of a triangle if one angle of a right triangle is 23°.
What is 57°.
The names of two angles outside a pair of parallel lines and on opposite sides of the transversal.
What are Alternate Exterior Angles?
The value of x if these two angles are congruent:
m<1 = (2x + 10)° and
m<2 = (5x - 20)°
What is 30?
The sum of the interior angle measures of a polygon with 22 sides.
What is 3600?
When 2 parallel lines are both intersected by a transversal, these angles occupy the same relative position on each parallel line.
What are Corresponding Angles?
The measure of an exterior angle if the two nonadjacent interior angles are 35° and 60°.
What is 95º?
The measure of an angle if its supplement is 112.
What is 68?
If one angle's measure is (4x-6)° and its supplement is 122°, what is the value of x?
What is 16?
An octagon has ____ total angles and the same total interior degrees as ___ triangles.
What is 8 (total angles) and 6 (triangles)?
The type of triangle that ABC is if
m>A = 30° and m>B = 60°
What is a right triangle?
Find an angle if its complement is 37°.
What is 53º?
Find x AND the value of 3x if one alternate exterior angle is 150° and the other is 3x°.
What is x=50 and 3x= 150°?
The measure of each interior angle in a regular decagon.
What is 144?
When 2 parallel lines are both intersected by a transversal these angles are inside of the two parallel lines and on opposite sides of the transversal.
What are Alternate Interior Angles?
The value of x if 3 angles in a triangle are 75°,
(3x + 7)° and (2x - 2)°.
What is 20?
If 2 angles in one triangle are congruent to 2 angles in another triangle, we know these two things:
Their third angles are also congruent, and the triangles are similar.
The angle of x AND each angle measure, if two corresponding angles are (8x-35)° and (2x-5)°.
What is x=5 and each angle = 5°?
A polygon has 7 sides. The interior angle measures are 127º, 129º, 126º, 135º, 136º, 122º and xº. Find the value of x.
What is 125º?