Respuesta :

Hi there! :) The answer I got is

Base Length: 12

Base Width:   5


Pyramid Height: 48.6

( I am sorry if it is the answer is wrong. If it is right mark as Brainliest!:) Thank you!;) )

Hope I helped! :D

Yep he is right. =) sorry i couldn't get here in time.
Q&A Education