Which counterexample shows that the conjecture "every parallelogram is also a rectangle" is false?

Question b of 10which of the following describe an angle with a vertex at a? check all that applyo a. labcов. савd dooo c_baco d. zacb

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.