Eighteen could be in standard form 18 or expanded form 10 + 8.
Answer:
I think Leslie Is 20
Step-by-step explanation:
Answer:
6250
Step-by-step explanation:
75*75 =5625
25*25= 625
add 5625 + 625 = 6250
Answer:
300ft^2
Step-by-step explanation:
Total surface area = Area of base + (1/2) x perimeter of base x slant height
Area of base = length² = 10 x 10 = 100
Perimeter of base = 2 ( length + breadth)
2 x 20 = 40
slant height = 10
100 + (1/2) x 40 x 10 = 300 ft^2
