helper49
06.12.2019 •
Mathematics
What is the area of an octagon with height of 30 and side lengths of 12.43
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Ответ:
side = 6.215
a^2 = 15^2 - 6.215^2
a = 13.65
Area = a × p
Area = 13.65 × 99.44
Area = 1357.356
Ответ:
70)8∏/25∏
71)17∏/20∏
72)8/5
Using the units of measure for each