266.4 - 8.5 - 24 will give you the answer of 233.9
I hope this helps you
Area=1/2.b.c.sinA
Area =1/2.4.3.0,99
Area =5,98
Irrational would be the correct answer
Please provide more information. You need to add the sides of the polygon to find the perimeter.
100,000 is basically the same thing as 100k