How to find the volume of a rectangle

What is a possible solutions of the x> 3?

Zack notices that segment nm and segment pq are congruent in the image below: which step could him determine if δnmo ≅δpqr by sas? (5 points) segment mo ≅ segment qr segment on ≅ segment qp ∠ n ≅ ∠ r ∠ o ≅ ∠ q

If cos(θ)=2853 with θin q iv, what is sin(θ)?