Tính giới hạn của câu sao

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Which statements about these triangles is true

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.