11/5/13 Earth*s Geologic Era data table with pie chart angles

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Transcript 11/5/13 Earth*s Geologic Era data table with pie chart angles 

11/5/13
Earth’s Geologic Era data table with pie chart angles
Era
Started
mya
Ended
mya
Length Ratio in
in my decimal
Multiply
by 360
Precambrian
5400 544
3956 .879 316
Paleozoic
544
245
299
.066 24
Mesozoic
245
65
180
.040 14
Cenozoic
65
0
65
.014 5
Earth’s Geologic Era Pie Chart
precambrian
paleozoic
mesozoic
cenozoic