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Example: -15, -5, -65, -68, -85
-85, -68, -65, -15, -5
-68, -65, -15, -5, -85
-15, -85, -5, -68, -65
Example: 23
8
6
4
Example: √4 =
2
Example: 22
4
22
2
Example: 22
-21
22
23
Example: 23 =
8
Example: 22 =
4
Example: 4
5
Example:
1)
one-half
2
1
4
2)
one-fourth
1
1
2
Example: √4
2
3
4
Example: What is the area of a circle whose diameter is 10 cm?
Given: Diameter(d) = 10cm; So, Radius(r) = Diameter/2 = 10/2 = 5cm
Area of a circle: πr2 = π x 52 = π x 25 = 25π sq cm
Example: -15, -5, -65, -68, -85
-5, -15, -65, -68, -85
-68, -5, -15, -65, -85
-5, -85, -15, -68, -65