Question

please answer it fast and don't send rubish answer​

Answer 1

Answer:

8. 1200 m covered by athlete.

9. 17 cm is the perimeter of regular pentagon.

Step-by-step explanation:

8..solution..

perimeter of rec.=2 (l+b)

2 ( 80+ 30 ) = 2×120m == 240m^2

athlete takes 5 rounds = 240×5 =1200 m ...

9..solution..

perimeter of pentagon = side × 5 == 3.4×5=17 cm

Answer 2

hope this helps you my frnd