Answer :
Answer: 24 ft tall
Step-by-step explanation:
a^2+b^2+c^2
18^2+b^2=30^2 where b in this case is the height of the building
Answer: 24 ft tall
Step-by-step explanation:
a^2+b^2+c^2
18^2+b^2=30^2 where b in this case is the height of the building