$\text{obliczenia}$

$20=\frac{1}{3}\cdot 12\cdot h$

$20=4\cdot h\mid :4$

$h=5cm$

 

 

 

$1,5=\frac{1}{3}\cdot P_p\cdot 0,2\mid :0,2$

$\frac{1}{3}\cdot P_p=1,5:0,2$

$\frac{1}{3}\cdot P_p=15:2$

$\frac{1}{3}\cdot P_p=7,5\mid \cdot 3$

$P_p=22,5m^2$

 

 

 

$5d{m}^2=5\cdot 10cm\cdot 10cm=500c{m}^2$

$10000=\frac{1}{3}\cdot 500\cdot h\mid :500$

$\frac{1}{3}\cdot h=10000:500$

$\frac{1}{3}\cdot h=20\mid \cdot 3$

$h=60cm$

 

 

 

$V=\frac{1}{3}\cdot 9\sqrt{3}\cdot 5=3\sqrt{3}\cdot 5=15\sqrt{3}c{m}^3$

 

 

 

$6\sqrt{3}cm=0,6\sqrt{3}dm$

$V=\frac{1}{3}\cdot 15\cdot 0,6\sqrt{3}=5\cdot 0,6\sqrt{3}=3\sqrt{3}d{m}^3$

 

 

$0,2=\frac{1}{3}\cdot 2\cdot h\mid :2$

$\frac{1}{3}\cdot h=0,1\mid \cdot 3$

$h=0,3dm$

 

 

$\text{Pole}$ $\text{podstawy}$ $\text{ostrosłupa}$	$12c{m}^2$	$22,5m^2$	$5d{m}^2$	$9\sqrt{3}c{m}^2$	$15d{m}^2$	$2d{m}^2$
$\text{Wysokosˊcˊ}$   $\text{ostrosłupa}$	$5cm$	$0,2m$	$60cm$	$5cm$	$6\sqrt{3}cm$	$0,3dm$
$\text{Objętosˊcˊ}$ $\text{ostrosłupa}$	$20c{m}^3$	$1,5m^3$	$10000c{m}^3$	$15\sqrt{3}c{m}^3$	$3\sqrt{3}d{m}^3$	$0,2d{m}^3$