Question

vă rog, vreau puțin ajutor..​

Answer 1

Răspuns:

TRIUNGHI (echilateral):

L- latura- 3 cm

apotema- formula: $\frac{l\sqrt{3} }{6}$

aria- formula: $\frac{l^{2}\sqrt{3} }{4}$

rezolvare:

APOTEMA

$\frac{3\sqrt{3} }{6}$ (se simplifica 3 cu 6)

=> apotema= $\frac{\sqrt{3} }{2}$

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ARIA

$\frac{3^{2}\sqrt{3} }{4}$= $\frac{9\sqrt{3} }{4}$

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PATRAT:

apotema- formula: $\frac{l}{2}$

arie- formula: $l^{2}$

rezolvare:

apotema: $\frac{4}{2} = 2$

aria: $4^{2} = 16$

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HEXAGON (regulat):

APOTEMA- formula: $\frac{l\sqrt{3} }{2}$

ARIA- formula: $\frac{3l^{2}\sqrt{3} }{2}$

rezolvare:

Apotema: $\frac{6\sqrt{3} }{2}$ (se simplifica 6 cu 2) =$3\sqrt{3}$

Aria: $\frac{3*6^{2}\sqrt{3} }{2}$=$\frac{108\sqrt{3} }{2}$= $54\sqrt{3}$

sper ca te am ajutat=))) bafta la teme