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34 Cards in this Set
- Front
- Back
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what are congruent polygons
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Polygons that have the same size and shape. When 2 are congruent you can slide, flip or turn & fit exactly on top
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congruent angles have
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congruent angles have equal measures
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when naming congruent polygons, you must list
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when naming congruent polygons, you must list the corresponding vertices in the same order.
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How to show that triangles are congruent
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Side - Side - Side (SSS) i ii iii
Side - Angle Side (SAS) Angle - Side - Angle (ASA) |
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what 2 characteristics do congruent polygons have in common
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congruent polygons have the same shape and size
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Is the following true or false
When 2 polygons are congruent, you can translate, reflect, or rotate one so that it fits on top of the other one. |
True
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acute is
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less than 90 degrees
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obtuse is
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greater than 90 degrees
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Acute triangel
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has 3 acute agnels
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obtuse triangle
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one obtuse angle
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right triangle
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one right angle
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equilateral triangle
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3 congruent sides
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isosceles triangle
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at least 2 congruent sides
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sccalene triangle
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no congruent sides
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Equilateral triangle
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has 3 congruent sides
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Isosceles triangle
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has at least 2 congruent sides
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Scalene triangle
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has no congruent sides
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acute, obtuse, right
describes |
the angles
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equilateral, isosceles, scalene
describes the |
the sides
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quadrilaterals can be classified by their
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sides and angles
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quadrilateral has
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four sides
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parallelogram
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both pairs of opposite sides are parallel
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rhomus
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has four congruent sides
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rectangle
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has four right angles
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square has
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four right angles and four congruent sides
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trapezoid has
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exactly one pair of parallel sides
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how do you classify triangles
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by angles or by congruent sides
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how do you classify quadrilaterals
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by sides and angles
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four right angles
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rectangle
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four cngruent sides
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rhombus
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exactly one pair of parallel sides
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trapezoid
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four right angles and four congruent sides
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square
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If a quadrilateral has 2 pairs of opposite sides that are parallel then it is a
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parallelogram
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If a triangles sides are all congruent and its angles all measure 60 degrees it is
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equilateral, acute triangle
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