Question

Tanisk walks around a square-shaped park twice and covers 800 m. What is the area of this park?

Answer 1

$2 \times 2 \times \pi \times r = 800$

$4 \pi r= 800$

$\pi r = 200$

$\frac{22}{7} r = 200$

$\frac{22}{7}r^2= 200 r$

$Area = \pi r^2$

$= 200 r$

Answer 2

Answer:

the area of this park is 10000 meter²

Explanation:

She walked two times the square shaped park twice covering 800 meters

Then one times walking the park would be 400 meters

A square has 4 similar sides, so one side shall have: 400/4 → 100 meters

If one side, length of the park is 100 meters.

Then using the square area formula: Length² → 100² → 10000 meter²