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21 Cards in this Set
- Front
- Back
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A median of a triangle is... |
a line segment joining the vertex of a triangle to the midpoint of the opposite side. |
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An altitude of a triangle is... |
a line segment joining the vertex of a triangle to the opposite side and meeting it at a right angle. |
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The three medians of a triangle... |
meet at the same point called the centroid. |
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A median of a triangle... |
bisects the area of the triangle. |
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The centroid of a triangle is... |
the point of the intersection of the three medians. |
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The centroid of a triangle divides... |
each median in the ratio of 2:1. |
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The median from the vertex between the two equal sides of an isosceles triangle... |
coincides with the altitude and bisects the angle at the vertex. |
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The angles opposite the two equal sides of an isosceles triangle are... |
equal. |
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The line segment joining the midpoints of adjacent sides of a polygon is called... |
a midsegment. |
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The midsegment of a triangle is... |
parallel to and one-half the length of the third side. |
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A parallelogram is... |
a quadrilateral with opposite sides parallel. |
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A rhombus is... |
a quadrilateral with four equal sides. |
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A rectangle is... |
a quadrilateral with four right angles. |
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The diagonals of a parallelogram... |
bisect each other. |
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The diagonals of a rhombus... |
bisect each other at right angles. |
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Joining the midpoints of adjacent sides of any quadrilateral forms... |
a parallelogram. |
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A chord is... |
a line segment joining two points on the circumference of a circle. |
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A right bisector (or perpendicular bisector) of a line segment... |
bisects it at a right angle. |
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The right bisector of a chord... |
passes through the center of the circle. |
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To find the centre of a circle passing through three given points you would... |
find the point of intersection of two of the right bisectors of two of the chords. |
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A trapezoid is... |
a quadrilateral with one pair of parallel sides. |
