Determina uma equação da reta com declive - 2 e que contém o ponto P (0,5 ; -1). Por favor estou a meio de um teste

Can (2,3 and square root 10) be sides ona right triangle?

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.

What’s the volume of the triangular prism?