The side lengths of a triangle are 12,^149,^5. Is the triangle a right triangle? PLEASE THE TEST IS DUE IN 10 MINE

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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.

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm