Pole stożka
P=πr²+πrl
r=6cm
l=1dm=10cm
P=π*6²+π*6*10=36π+60π=96πcm²
Pole kuli
P=4πR²
Pole stożka= Pole kuli
πr²+πrl=4πR²
96π=4πR² /:4
24π=πR² /:π
24=R² /:√
R=√24=2√6
R=2√6cm
P=πr²+πrlr=6cml=1dm=10cmP=π*6²+π*6*10=36π+60π=96πcm²Pole kuliP=4πR²Pole stożka= Pole kuliπr²+πrl=4πR²96π=4πR² /:424π=πR² /:π24=R² /:√R=√24=2√6R=2√6cm
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Pole stożka
P=πr²+πrl
r=6cm
l=1dm=10cm
P=π*6²+π*6*10=36π+60π=96πcm²
Pole kuli
P=4πR²
Pole stożka= Pole kuli
πr²+πrl=4πR²
96π=4πR² /:4
24π=πR² /:π
24=R² /:√
R=√24=2√6
R=2√6cm
P=πr²+πrl
r=6cm
l=1dm=10cm
P=π*6²+π*6*10=36π+60π=96πcm²
Pole kuli
P=4πR²
Pole stożka= Pole kuli
πr²+πrl=4πR²
96π=4πR² /:4
24π=πR² /:π
24=R² /:√
R=√24=2√6
R=2√6cm