XY = 5.4cm, angle X = 30 degree, angle Y = 75 degree

How do you write a paragraph proof to prove that the corresponding angles shown are congruent

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z