In parallelogram RSTU , RV measures y+18 units and TV measures 3y−10 units. How many units long is diagonal RT ? (1 point) Responses 32 32 16 16 14 14 64
Since the diagonals of a parallelogram bisect each other, the length of diagonal RT can be found by finding the average of the lengths of RV and TV.
The length of RV is y+18 units, and the length of TV is 3y-10 units.
The average of RV and TV is (RV + TV) / 2, which is ((y+18) + (3y-10)) / 2 = (4y + 8) / 2 = 2y + 4 units.
Therefore, the length of diagonal RT is 2y + 4 units.