Question

pls tell the answer for the 9th question

Pls follow me tooo

First will be marked the BRAINLEST

I need the answer with steps and explanation​

thankfully

Answer 1

Answer:

45

Step-by-step explanation:

total lenght of bpoundary = l* b

=> 15 *30

=> 450

each stone is at a distance of 10 meter

so 450/10

=> 45