Pls abcd is a rhombus. explain why abc is congruent to cda

With #! i’ve tried to figure it out but i can’t.

Martha needs 22.25 strawberries for every 5 smoothies she makes. complete the table to see how many strawberries she would need to make 10 smoothies and 20 smoothies.

If the discriminant if a quadratic equation is 4 which statement describes the roots?