Add up 18 and 30. You'll get 48. Then 18/48 of the class is female. Of course this could be simplified: 18/48 = 3/8. Then 3/8 of the class is female and 5/8 is male.
Answer:
= 20+16zP8+24x that the answer
Wdym by animal testing? Like doing experiments on rats as an example?
A regular dodecagon is a polygon with 12 equal sides.
Length of each side = 108/12 = 9 cm.
Length of the apothem = (9/2)/tan 15 = 9/2tan 15 = 16.79 cm
Area of each triangle = 9/2(16.79) = 75.57 cm^2
Therefore, area of the dodecagon = 12(75.57) = 906.9 cm^2