chapter 1
What is point?
specifies location has no length or dimension
What is Midpoint
the point in the middle(segment)
What is an equation of the line parallel to y=-3x-5 that contains (-1, 8)?
y-8=-3(x+1)
What the distance around a circle called?
Circumference
What is midsegment of a triangle?
a segment joining the midpoints of two sides across the triangle.
What is line?
It has only one dimension it continues forever in 2 directions and it connects 2 points
What is the Segment Bisector?
line,segment,or ray that divides a segment in 2 parts
What is an equation of the line perpendicular to y=1/5x+2 that contains (15, -4)?
y + 4 = -5(x - 15)
What is vertex of a polygon?
the vertex of each angle is the vertex of a polygon
Find the circumcenter of the triangle ABC.
A(−5,−3), B(5,7), C(−5,7).
(0,2)
What is plane?
flat 2 dimensional object they continues indefinitely in all directions
What are 2 adjacent angles that form a straight angle?
Linear pair
What is an equation of the line with slope 3 and y-intercept −5?
y=3x-5
What is perpendicular bisector?
a segment, ray, line, or plane that is perpendicular to a segment at its midpoint
Find the circumcenter of the triangle ABC.
A(−6,−5), B(−3,4), C(−6,4).
(-9/2,-1/2)
What is Line segment
a measurable portion of a line
What are 2 non-adjacent angles called if they formed by intersecting lines?
Vertical angle
Write an equation for the line parallel to the given line that contains C.
C(4,6); y=-4x+7
y=-4x+22
Each face of a pyramid is an isosceles triangle with a 62° vertex angle. What are the measures of the base angles?
The measures of the base angles are
59°
What is angle bisector theorem?
If a point is on the bisector of an angle, then it is equidistant from the sides of the angle
What is Congruent Segment
segments that have the same measure
What are 2 angles called if they sum adds to 90?
Complementary Angles
Write an equation of the line perpendicular to the given line that contains P.
P(5,−6);
y=1/5x+2
y+6=-5(x-5)
An exterior angle of an isosceles triangle has measure 150 degree.
Find two possible sets of measures for the angles of the triangle.
base:30° vertex:120°/ base:75° vertex:30°
What is the definition of median
a segment whose endpoints are in the vertex of the triangle and the midpoint of the opposite side