You can't solve this question, can you? the values aren't corect, right? construct a triangle abc with side ac=4cm, bc=5 cm and angle c=60degrees. also draw a parallelogram equal in area of given triangle and with one angle at least of 60 degrees.

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.