Exploring Mathematics Chapters 5-6 Flashcards
a rectangle with four equal sides
square
2L + 2W
perimeter of a rectangle
Doubling the length, width, and height of a box gives it a volume
eight times as great
The sum of the _______________ of the legs of a right triangle are equal to the _______________ of the hypotenuse.
squares, square
Ah
Volume
L x W
area of a rectangle
4S
perimeter of a square
proved planets follow elliptical orbits
Johannes Kepler
A whispering gallery has a shape like
ellipse
a polygon with three sides and one right angle
right triangle
all points are the same distance from the center
circle
a mirror of this shape will focus sunlight
parabola
the orbit of Haley’s comet is of this shape
ellipse
discovered that the sum of the 3 angles of any triangle is 180 degrees
Pythagoras
is not a polygon
circle
used ratios to find the heights of buildings
Thales
a polygon with five sides
pentagon
the first part of the name means over or beyond
hyperbola
S2
area of a square
ancient Greek who worked out a way to show large numbers that he called myriads
Archimedes
wrote Elements of Geometry
Euclid
a quadrilateral with opposite sides parallel and equal in length
rectangle
The Egyptian knotted rope was used to measure out
a triangle with a right angle
∏r2
area of a circle
