Bjr,
aire triangle:
(base*h)/2
(6*4,5)/2 =13,5
aire rectangle:
L*l
9* 6 = 54
aire demi cercle
(3,14 * r²)/2
(3,14 * 3² )/2 = 14,13
total:
13,5 + 54+14,13 => 81,63m²
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Bjr,
aire triangle:
(base*h)/2
(6*4,5)/2 =13,5
aire rectangle:
L*l
9* 6 = 54
aire demi cercle
(3,14 * r²)/2
(3,14 * 3² )/2 = 14,13
total:
13,5 + 54+14,13 => 81,63m²