PLEASE HELP!! is it

A) 4 cm
B) 64 cm
C) 25cm
D) 160 cm

What is the total surface area of this square pyramid?

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

Ineed someone to me answer my question i have to have this done and knocked out