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Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the...

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Geometric photo By: Mary byrd
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Page 1: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Geometric photo

By: Mary byrd

Page 5: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

cosineThe trig function cosine, which is written cos θ. For acute angles, cos θ can be found by theSOHCAHTOA definition, shown below on the left. The circle definition, a generalization of SOHCAHTOA, is shown below on the right. f(x) = cos x is a periodic function with period 2π

Page 6: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Circle

The locus of all points that are a fixed distance from a given point.

Page 8: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

cylinder

A three-dimensional geometric figure with parallel congruent bases. The bases can be shaped like any closed plane figure (not necessarily a circle) and must be oriented identically.Note: The word cylinder often refers to a right circular cylinder.

Page 12: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

hypotenuse

The side of a right triangle opposite the right angle. Note: The hypotenuse is the longest side of a right triangle.

Page 13: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Major arc

The longer of the two arcs between two points on a circle.

Page 15: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

rectangle

A box shape on a plane. Formally, a rectangle is a quadrilateral with four congruent angles (all 90°).

Page 16: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Rectangle parallelepiped

A box shape in three dimensional space. Formally, a polyhedron for which all faces are rectangles

Page 17: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Square pyramid

A nonnegative number that must be multiplied times itself to equal a given number. The square root of xis written   or x½. For

example,   since 32 = 9.Note:   never refers to a negative number. Even though (–3)(–3) = 9, we do not say that –3 is a value of  . Also, if x itself is negative then   is imaginary.

Page 18: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

traoziodTrapezoidUS usage, definition 1: A quadrilateral which has a pair of opposite sides which are parallel. The parallel sides are called the bases, and the other two sides are called the legs.US usage, definition 2: A quadrilateral which has one parallel pair of opposite sides and one non-parallel pair of opposite sides. The parallel sides are called the bases, and the other two sides are called the legs.UK usage: The same as the US word trapezium. The UK word trapezium means the same as the US word trapezoid, and vice-versa.

Commentary: Under US definition 1, a parallelogram is a type of trapezoid. Under US definition 2, a parallelogram is not a type of trapezoid. Regardless of which definition you prefer, the trapezoid area formula can be used to find the area of a parallelogram.

Page 19: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

trapezium

US usage: A quadrilateral with no parallel sides.

UK usage: The same as the US word trapezoid. The UK word trapezoid means the same as the US word trapezium, and vice-versa.

Page 20: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Truncated cone

A cone or pyramid which has its apex cut off by an intersecting plane. The plane may be either obliqueor parallel to the base.Note: If the truncating plane is parallel to the base the figure is called a frustum

Page 21: Geometric photo By: Mary byrd. Base of triangle The side of a triangle which is perpendicular to the altitude.sidetriangleperpendicularaltitude.

Truncated cylinder

A cylinder or prism which has one base cut off by an intersecting plane. The other base is unaffected by the truncation. The truncating plane may be either oblique or parallel to the bases


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