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Երկրաչափություն

Posted byarturvar Leave a comment on Երկրաչափություն

No314

ա)a=15սմ

h=12սմ

S=?սմ2

S=ah

S=15*12

S=180սմ2

բ)S=34սմ2

h=8,5սմ

a=?սմ

S=ah

a=S/h

a=4սմ

գ)S=162սմ2

a=9սմ

h=?սմ

S=ah

h=S/a

h=18սմ

No315

AC=13սմ

AB=12սմ

S=?սմ

S=ah

S=13*12

S=156սմ2

No316

S=78սմ

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