Yes, two opposite angles of a kite can be acute, as kites have two pairs of equal adjacent angles, and both pairs can be acute. 2) No, opposite angles of a kite cannot be supplementary since the sum of the angles in any quadrilateral is 360 degrees, and opposite angles in a kite are not supplementary. 3) Yes, two opposite angles of a kite can be complementary, as long as their measures add up to 90 degrees.