Transcript March 9, 2009

March 9, 2009
DRAW IT!!!
1. Classify the given triangle according to its side:
114˚
A. OBTUSE
B. SCALENE
C. ISOSCELES
D. EQUILATERAL
147˚
x
3m
2m
12 m
4.5 m
2. Which similar pairs would have a ratio of 3:8 ?
A.
B.
x
24 m
8m
3. Which equation could be used to
determine the side length “s” of an isosceles
triangle with a perimeter of 50 feet?
17 ft
50  17
A. s 
2
B.
s  50(17)
50  2s  17
C.
4. Name the given shape:
base
base
Isosceles trapezoids have :
One pair parallel bases
One pair congruent acute angles
One pair congruent obtuse angles
5. Name the shape:
base
Right Trapezoids have:
One pair parallel bases
Two right angles
base
Where is the base and the
height of the figure?
NOTES:
PERIMETER OF ANY SHAPE:
THE DISTANCE AROUND.
ADD ALL SIDES.
•CIRCUMFERENCE, REVOLUTION ,ROTATION (FOR CIRCLES USE FORMULA πxd)
•RIM
•BORDER
•EDGE
•FRINGE
•OUTLINE
•FENCE
•CAULK
•TRIM
•TRACE
•FRAME
•AROUND
NOTES:
AREA OF ANY SHAPE:
THE TOTAL INSIDE FLAT SQUARES.
•USES base, height,multiplication and sometimes division.
•Different formulas for different shapes.
•THE HEIGHT MUST FORM A 90° ANGLE!
•Mow
•Paint
•Cover
•Carpet
•Vacuum
•Clean a window
•Color
•Shade
•Floor
•Spread
•Tile
•Squared
•Overlay
s = 13
Area = 13²
perimeter=
Or 169
13(4)
or 52
base = _______
height = ________
Length = ________
Width = _________
Area = __________ perimeter = __________
POLYGON
QUADRILATERAL
PARALLELOGRAMS
SQUARES
RHOMBUS
RECTANGLES
PARALLELOGRAMS
LEANING SQUARE
LEANING RECTANGLE
AREA IS THE
BASE
MULTIPLIED BY THE
HEIGHT
A = bh