Answer:
7.5 should be the answer sorry if its wrong i don't have all of the information
Answer:
Slant height (s)= 12.1 cm
Step-by-step explanation:
Given: Base= 4.5 cm.
Surface area of right square pyramid= 129.5 cm.
First, calculating slant height (s) of right square pyramid.
Surface area of square pyramid= 
a= side of square base.
s= slant height
∴ 
⇒ 
⇒ 
Now, opening the parenthesis and subtracting both side by 20.25.
⇒
cross multiplying both side
∴ Slant height (s)= 12.1
5/4=15/12
2/3=8/12
15/12+8/12=23/12
Step-by-step explanation:
yes I am how about you, I always get stuck on my assignments