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Sunday, January 27, 2013
Sunday, January 20, 2013
RECTANGLE
RECTANGLE
- a quadrilateral with four right angles.
Area of a rectangle:
Formula:
A = L * w
where:
L = length
w = width
Illustration:
Example:
1. The shape of a rectangular picture frame...
Tuesday, January 15, 2013
AREA OF A TRIANGLE
AREA OF A TRIANGLE:
Illustration 1:
Illustration 2:
FORMULA: A = 1/2 b*h
Where:
A = area
b = base
h = height
Example:
1. Find the area of a triangle whose base...
SQUARE
THE AREA OF A SQUARE:
A = a * a
Where:
A = area
a = side of a square
Example:
1. Find the area of a square whose side measures 4 meters.
Given:
a = 4 m
Solution:
A = a * a
=
(4m)*(4m)
= 16
sq. m. final
answer
2. A table in square shape has 3 feet as measure on one side. Find the area of the table.
Given:
a = 3 ft.
Solution:
A =...
Thursday, November 15, 2012
AREA OF A CIRCLE
THE AREA OF A CIRCLE:
Circle - a closed curved figure with equal radius.
Illustration:
Formula:
A = π r2
or
A =π (D/2)2
where D = diameter; D = r/2
or
A...
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