gerwhergt Flashcards

1
Q

is a figure formed by three segments joining three noncollinear points

A

Triangle

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2
Q

The side opposite the right angle is the _____ of a right triangle

A

Hypotenuse

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3
Q

____ to a theorem is that can be proved easily using the theorem

A

Corollary

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4
Q

The congruent sides of an isosceles triangle are called___ and the third side is called the ____

A

Legs, base

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5
Q

a point that joins two sides of a triangle is called

A

vertex

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6
Q

a segment from a vertex of a triangle to the midpoint of its opposite side is called an

A

median

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7
Q

when two figures are ____ their corresponding sides and their corresponding angles are congruent

A

congruent

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8
Q

if a point is on the ___ of a segment then it is equidistant from the endpoints of the segment

A

perpendicular bisector

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9
Q

if a point is on the angle bisector of an angle then it is ___ from the two sides of the angle

A

equidistant

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10
Q

a polygon is ____ if no line that contains a side of the polygon passes through the interior of the polygon

A

convex

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11
Q

a polygon is ____ if all its interior angles are congruent

A

regular

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12
Q

if a polygon is equilateral and equiangular then it is

A

equiangular

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13
Q

the ammount of surface covered by a figure is its

A

area

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14
Q

the ___ of a triangle is the perpendicular segment from a vertex to the line containing the opposite side of the triangle

A

height

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15
Q

either pair of parallel sides of a parallelogram are called the ____

A

opposite sides

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16
Q

a ____ is the set of all points in a plane that are the same distance from a given point

A

circle

17
Q

the distance across a circle through its center is the

A

diameter

18
Q

polyhedral are named by the shape of their

A

faces

19
Q

the ____ of a polyhedron is the sum of the areas of its faces

A

surface area

20
Q

a_____ is a polyhedron with two congruent faces that lie in parallel planes

A

prism

21
Q

the ____ of a prism are the faces of the prism that are not bases

A

lateral faces

22
Q

the ___ of a solid is the number of cubic units contained in its interior

A

volume

23
Q

is the quadrilateral with both pairs of opposite sides parallel

A

trapezoid

24
Q

is a plane figure that is formed by three or more segments called sides

A

polygon

25
Q

is a parallelogram with four congruent sides

A

rhombus

26
Q

is a parallelogram with four right angles

A

rectangle

27
Q

a parallelogram with four congruent sides and four right angles is

A

square

28
Q

is a quadrilateral with exactly one pair of sides parallel

A

parallelogram

29
Q

each endpoint of the sides of a polygon is called

A

vertex

30
Q

a segment that joins two nonconsecutive vertices of a polygon is called

A

diagonal

31
Q

the nonparallel sides of a trapezoid are called its ____ and the parallel sides are called its bases

A

legs

32
Q

is an expression written with a radical symbol

A

radical

33
Q

the number or expression inside the radical symbol is the

A

radicand

34
Q

is a ratio of the lengths of two sides of a right triangle

A

Pythagorean theorem

35
Q

a right triangle with side lengths 9, 9 square root 3, and 18 is a ______ triangle

A

30 60 90

36
Q

to a right triangle means to determine the lengths of all three sides of the triangle and the measures of both acute angles

A

solve

37
Q

a right triangle with side lengths 4, 4, and 4 square root 2, is a ______ triangle

A

45 45 90