Answer:
465
Step-by-step explanation:
1 + 2 + 3 + ... + n = n(n + 1)/2
1 + 2 + 3 + ... + 30 = 30(31)/2 = 465
Smaller Figure 3
Larger Figure 5
Scale factor = 15/25 = 3/5
Answer: A) 4,800 m2
60.11m x 79.88= 4801.5868
24 because you have to subtract
yes