How many meters is one lap of Changzhi Sports Park track?

One lap of the Changzhi Sports Park track is about 400 meters

First 87×2+2×3.14×(36+1.2×0) = 400

No. Second 87×2+2×3.14×(36+1.2×1) ≈408

Third 87×2+2×3.14×(36+1.2×2) ＝415

The fourth 87×2+2×3.14×(36+1.2×3) ≈423 meters

The fifth 87×2+2×3.14×(36+1.2×4) ≈430 meters

Sixth 87×2+2×3.14×(36+1.2×5) ≈438 meters

Seventh 87×2+2×3.14×(36+1.2×6) ≈ 445 meters

Eighth 87×2+2×3.14×(36+1.2×7) ≈453 meters

The introduction to Changzhi Park is as follows:

Changzhi The sports park has a total construction area of ??more than 50,000 square meters. It is an ecological and smart urban park integrating sports and fitness, urban leisure, ecological landscape and underground parking. The project is divided into two parts: above ground and underground. The above ground buildings include a cultural and sports center, a three-story multi-functional fitness building, a comprehensive stadium area, an extreme competition area, a circular fitness trail, etc. The underground buildings include activity and fitness venues, sports and cultural exhibition centers, sports venues and nearly a thousand parking spaces. It fully meets the people's sports and fitness needs and has become everyone's first choice for fitness. The city sports park has been "popular" in the circle of friends and has also received a large number of likes from citizens and fans.