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Mathematics, 02.02.2022 21:10 briashia

Bonjour est ce que quelqu’un peut m’aider pour cette exercice svo je ne comprends pas, merci Triangle et orthocentre
ABC est un triangle. (AA'], [BB'] et (CC') sont
les hauteurs de ce triangle et se coupent
en H.
a. Démontre que les triangles HA'C et HAC'
d'une part et HB'C et HBC' d'autre part
sont semblables.
b. Déduis-en HA X HA' = HB X HB'=HC X HC'

c. Démontre que les triangles ACC' et ABB'
sont de même forme ainsi que les triangles
AHC' et AA'B.
d. Écris les égalités correspondantes.

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Answers: 2

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Bonjour est ce que quelqu’un peut m’aider pour cette exercice svo je ne comprends pas, merci Trian...
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