. Lucia made a banner for a band event in the shape of a parallelogram. The height of the banner is 4 1/2 feet. The base of the banner is 10 1/2 feet. What is the area of the banner in square feet?

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.