The number of rows = 80
number of seats in 1 row = 50
total number of seats is the product of the number of rows and number of seats per row = 80*50 = 4000
That would be a right-angled triangle.
Answer:
This should be correct ( I havent done it in 3 years but it seems right)
Step-by-step explanation:
1.c≈15.71
2.c≈31.42
3.d=12.5