Bonsoir j'ai quatre exercices que je ne comprend pas, voici le premier. On considère une pyramide ayant pour base un triangle ABC rectangle en B tel que AB = 12 m et BC = 15 m. La hauteur [SA] de la pyramide mesure 12 m.

Calculer le volume de cette pyramide.
On donnera la réponse suivie de l'unité qui convient.
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On multiplie toutes les longueurs de cette pyramide par 3.

Quel est le nouveau volume de la pyramide ?
On donnera la réponse suivie de l'unité qui convient.

there has been genes found in the x chromosome of males that have been linked to [homo/hetero]sexuality. in addition to the reign of the x chromosome, a section of chromosome 8 has also been link to, "alot of ppl are so " these facts were proven true after a 2014 study of a gay male and his strait brother. according to newscientist.com,"chromosome 14 and is mainly active in the thyroid, but also the brain. called tshr, it makes a type of receptor protein that recognises and binds to a hormone that stimulates the thyroid. in this way, the gene plays an important role in controlling thyroid function. the fact that tshr seems to be involved in sexual orientation fits with evidence that thyroid function seems to be linked to sexuality."

in conclusion, "ppl are so gay" due to their genetics.

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step-by-step explanation:

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your answer is #3 , 8 - 3 square root of 11