The question ask to determine what is a regular polygon that contains an interior angle of 9000 degree, base on my research, according to the geometrical research, I would say that the said polygon is a 52 sided convex polygon. I hope this would help
A = D/BC. In order to isolate A, all you do is divide by BC
That is correct since the line in T is not straight it would eventually hit the third quadrant
<span />
9/10 - 5/10
because the denominators are the same you keep it and just subtract the numerators
=4/10
This can be reduced to 2/5
