Types of Angles
This angle measures less than 90°.
What is an ACUTE angle?
A triangle with all three sides different.
What is a SCALENE TRIANGLE?
The complement of a 20 degree angle.
What is 70°?
Complementary angles have a sum of this measure.
What is 90°?
The distance between points (1,4) and (1,7)
What is three
A triangle with one angle measuring greater than 90°.
What is an OBTUSE TRIANGLE?
This type of triangle has all three sides congruent.
What is an EQUILATERAL TRIANGLE? (Can also be isosceles.)
The supplement of a 45 degree angle
What is 135?
Supplementary angles have a sum of this measure.
What is 180°?
The midpoint of (2,6) and (4,8)
What is (3,7)
Every triangle has this many degrees in the interior angles.
What is 180°?
If the congruent sides of an isosceles triangle are 2x+4 and 3x -7, what is the value of x?
11
A triangle with angles 25° and 25° and 130° will be what type of triangle?
What is OBTUSE?
In parallel lines alternate interior angles are _______________.
congruent
The distance between -5 and 7
What is 12?
The missing angle in a right triangle, with one other angle measuring 30°.
What is a 60° angle?
If the sides of an equilateral triangle are x+4 and
2x -15, what is the length of the side of the triangle?
23
A triangle has an angle measuring 15° and another measuring 85°, this is the third angle.
What is 80°?
In parallel lines cut by a transversal, if one same side interior angle is 42, what is the other?
138
The distance between (1, 7) and (3,6)
What is the square root of 5 or 2.2.
An isosceles triangle has one acute angle measuring 20°. The measure of the other two angles would be?
What are 80° each?
A square has a side length of 5cm, what is the length of the perimeter?
20
An angle and an angle 30 degrees more than that angle are supplementary. What are the measures of both angles.
75, 105
In parallel lines if one same side interior angle is 105, what is the other?
75
The distance between (-2, 5) and (3, 1)
What is the square root of 41 or 6.4