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The perimeter of a square field is the same as that of a rectangular field. If the length of the rectangular field is 8 km and width is 5 km , calculate the area of the square field.​

Respuesta :

Answer:

42.25cm^2

Step-by-step explanation:

8+5+8+5 = 26

26/4 = 6.5

6.5x6.5 = 42.25

Answer:

A(s) = 42.25 km ²

Step-by-step explanation:

P(r) = 2l + 2w = 2×8km + 2×5km = 16km + 10km = 26 km

P(r) = P(s)

P(s) = 26 km = 4l => l = 26km/4 = 6.5 km

A(s) = l² = (6.5km)² = 42.25 km ²