Maram

In triangle ABC ,if <A and <B are acute angles, and sin A=10/13 what is the value of cos A?

The area of trapezoid is h( b1+b2)/5, where h is the altitude, and b1 and b2 are the lenghts of the parallel bases. If trapezoid has an altitude of 5 inches, an area of 55 sguare inches , and one base 12 inches long, what is the lenghth, in inches, of its...

If a and b are any real numbers such that 0<a<1<b, which of the following must be true ov the value ab??

thank u

i had almost the same problem :-))so that's why:D