445.9346m2
There are 10 concrete block per m2.
Six. 1 km = 1000 m 1 km2 = 1000 x 1000 m2 = 1,000,000 m2
464.52 sq meters.
9149.32ft2
~4000
1 ft2= .0929 m2 3200ft2 = 297.28 m2
325.16 m2
48.77369 m2.
3.71612 m2
13 m2
418 000 m2 = 4 499 314.55 ft2 (sq ft)
An acre is 43,560 sq ft , so 4000 sq ft is 4000/43560 = .092 acres. A little less then a tenth of an acre.
159 m2 is 1,711.46 sq feet.
464.5 m2
1 sq metre = 10.764 sq feet so 20 m2 = 215.28 sq feet (to 2 dp)
67.5M2