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Honors Geometry
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Gravity
Terms in this set (61)
A line and a point on that line are (Always, sometimes, never) lie in more than one plane
Always
(Always, sometimes never) skew lines are coplanar
never
(always, sometimes, never) Perpendicular lines are coplanar
always
(a, s, n) The sum of the measures of the angles of a covex polygon is 360
sometimes
(a, s, n) a regular polygon is equilateral
always
(a, s, n) an equiangular polygon is regular
sometimes
(a, s, n)the measure of an exterior angle of a polygon equals the measure of an interior angle
sometimes
(a, s, n) an exterior angle is equal to the sum of the remote interior angles
sometimes
(a, s, n) if triangleABC is equiangular, then m angleB is 50
never
(a, s, n) if 2 parallel lines are cut by a transversal, then the alt. interior angles are supplementary
sometimes
(a, s, n) the acute angles of a right triangle are congruent
sometimes
two points (a, s, n) lie in exactly one line
always
three points (a, s, n) lie in exactly one plane
sometimes
two intersecting planes (a, s, n) intersect at exactly one point
never
a line (a, s, n) contains exactly one point
never
(a, s, n) two polygons are congruent if their sides are congruent
sometimes
(a, s, n) corresponding parts of congruent triangles are congruent
always
(a, s, n) if 2 sides f a triangle are congruent to each other, then the 2 angles opposite of those sides are congruent
always
(a, s, n) an equilateral triangle has sides that measure 60 units
sometimes
(a, s, n) if 2 sides of a triangle are congruent to 2 sides of another triangle, then the 2 triangles are congruent
sometimes
(a, s, n) hypotenuse-leg is a reason to prove 2 triangles congruent
sometimes
(a, s, n) an equilateral triangle has three angles of different measure
never
(a, s, n) an equiangular triangle has at least 2 congruent sides
always
(a, s, n) if one angle and one side of a triangle are congruent to the corresponding parts of another triangle, then the triangles are congruent
sometimes
(a, s, n) any two points are collinear
always
(a, s, n) complements of congruent angles are complementary
sometimes
(a, s, n) perpendicular lines form four right angles
always
(a, s, n)two angles are supplementary if and only if their measures equal 180
always
(a, s, n) if two lines intersect, they form two pairs of vertical angles
always
(a, s, n) if angle1 and angle2 are supplementary then they form a linear pair
sometimes
(a, s, n) if angle2 and angle4 are supplementary and angle4 and angle6 are supplementary then angle2 and angle6 are supplementary
sometimes
(a, s, n) 2 planes can intersect at a point
never
(a, s, n) three pots determine a plane
sometimes
(a, s, n) through a line and a point not on the line there is exactly one plane
always
(a, s, n) two intersecting lines lie in exactly one plane
always
(a, s, n) if a point lies in a plane, then a line that contains that point lie in the same plane
sometimes
(a, s, n) two lines that don't intersect are parallel
sometimes
(a, s, n) if two lines are parallel then there is exactly one plane that contains them
always
(a, s, n) an acute triangle can be a right triangle
never
(a, s, n) two lines in a plane can be skew
never
(a, s, n) if two lines are cut by a transversal, then the corresponding angles are congruent
sometimes
(a, s, n) through a point not on a line, you can draw a line parallel to the given line
always
(a, s, n) in a plane, through a point there is exactly one line perpendicular to the given line
always
(a, s, n) each exterior angle of an equiangular triangle has a measure of 120
always
A point is a midpoint if and only if it...
... divides a segment into two congruent segments
angles are congruent if and only if...
... they have same size, same shape, and equal measure
If B is between A and C, then...
... AB+BC=AC
Hypothesis
if...
Conclusion
then...
(T or F) If a four-sided figure has four right angles, then it has four congruent sides
False, it could be a rectangle
(T or F) If a four-sided figure has four congruent angles, then it has four right angles
False, it could be a rhombus
vertical angles
1 and 6, 5 and 2, 3 and 8, 7 and 4
corresponding angles
1 and 3, 5 and 7, 2 and 4, 6 and 8
alternate interior angles
2 and 7, 6 and 3
alternate exterior angles
1 and 8, 5 and 4
same-side interior angles
2 and 3, 6 and 7
acute isosceles triangle
acute scalene triangle
equilateral triangle
decagon
quadrilateral
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