In a right triangle, θ is an acute angle and tanθ=6/5 What is the exact value of cosθ

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)