If klmn is a square, then
a. it must be a rhombusb. it might be a rhombusc. it cannot be a rhombus

a. it must be a rhombus

Step-by-step explanation:

A rhombus is a a parallelogram with four equal sides and of opposite angles are equal. The diagonals of rhombus are perpendicular bisector of each other.

A rhombus with interior angle 90° is square.

A square is always a rhombus because it satisfies all the properties of rhombus but a every rhombus cannot a square.

Therefore, If KLMN is a square, then it must be a rhombus.

6xy and -16xy000000000

Gggģcawrygr3ezt9d hu and the other countries have been working to make it easier to box up their homes in an area where the government has not yet decided which countries will have the option of the government