I'll fail if i miss
which triangle is similar to triangle srt? (6 points)

triangle qrp

triangle pst

triangle pqr

triangle trp

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

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.

Which of the following vectors are orthogonal to (2,1)? check all that apply