d = 12 cm
l = 9 cm
B = √12^2+9^2 = √225 = 15 cm
h = d*l/B = 12*9/15 = 7,20 cm
p1 = √l^2-h^2 = √9^2-7,2^2 = 5,40 cm
area = 2(B-p1)*h/2 = 2*(15-5,4)*3,6 = 69,12 cm^2
@remanzini_rinaldo grazieeee
@vj Grazieeee
Prego 😊
@vj 👌👍🌷👍
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