El numero es 13 porque 13x3= 39 y 39-9= 30.
The radius is √25=5 in this case.
find the area of each triangles first. (the pentagon can be divided into 5 isosceles triangles)
the two equal sides are 5 each, the angle between them is 360/5=72 degree, so the base side is 2*5*sin36, and the height is 5*Cos36
the area of each triangle is (1/2)*2*5*Sin36*5*Cos36
the total area of the 5 triangles is: 5*(1/2)*2*5*Sin36*5*Cos36
use a calculator: A≈59.44
Answer:
4/610=0.00655737704918
Step-by-step explanation:
The math symbols like +,-,/,x, or =.
6 walks to schools
But if you want fraction form 6/500= 3/250
