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plsss dauuu coroanaaa​

Plsss Dauuu Coroanaaa class=

Răspuns :

Explicație pas cu pas:

a:)

at =al+ab

384cm=240+ab

384-240=AB

ab=144

dar AB =l²=144=>l=v144=12

Ab =12

b:)OM=AB/2=12/o=6

Al=Pe×ap/2=4×l×ap/2=24×ap

dar al=240=>24×ap=240=>apotema=10

c:)v=1/3×ap×vo=384cm²

succes!

coroană?