D
50°
130° what is the angel of d​

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Urgentwhat is the area of the figure?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacio's 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