Mr. Thompson is buying rulers for his class. Witch option gives Mr. Thompson the best price per ruler A. 4 rulers for $1
B. 50 rulers for $15
C.100 rulers for $20
D. 200 Rulers for $30

step-by-step explanation:

two pairs of adjacent sides are of equal length. this implies that one diagonal divides the kite into congruent triangles, and so the angles between the two pairs of equal sides are equal in measure. it also implies that the diagonals are perpendicular.