Solve 17-21
Please

17) sometimes

18) sometimes

19) sometimes

20) sometimes

21)what is it asking

Step-by-step explanation:

17) in terms of the square that's correct but in terms of a rectangle it's not

18) the the angles could be 30, 60, 92, 178.. the four angles have to add up to 360 but they could be 150 for example 30, 30, 150, 150,

19) in in terms of a rectangle, kite etc it's correct. but for a kite or a trapezoid it's not

20) in in terms of a kite yes but in terms of a square no.

21)??

i dont know

step-by-step explanation: