An object is dropped off a building that is 144 feet tall. after how many seconds does the object hit the ground? (s = 16t2)
a. 3 seconds
b. 4 seconds
c. 9 seconds

Figure abcd is rotated by 180 degrees about the origin in the counterclockwise direction to obtain figure a′b′c′d′: will give brainliest which statement best compares the lengths of the sides of the two figures? length of ab = length of c′d′ length of cd = length of a′b′ length of cd = length of b′c′ length of ab = length of a′b′