r=2√2
promien okregu wpisanego r=1/3h =1/3·a√3/2=a√3/6
2√2=a√3/6
a√3=6·2√2
a√3=12√2
a=12√2/√3 =(12√2·√3)/3 =4√6 -->dl. boku Δ
Pole Δ
P=(a²√3)/4=[(4√6)²·√3)]/4 =(96√3)/4=24√3cm²
odp:A)24√3 cm²
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r=2√2
promien okregu wpisanego r=1/3h =1/3·a√3/2=a√3/6
2√2=a√3/6
a√3=6·2√2
a√3=12√2
a=12√2/√3 =(12√2·√3)/3 =4√6 -->dl. boku Δ
Pole Δ
P=(a²√3)/4=[(4√6)²·√3)]/4 =(96√3)/4=24√3cm²
odp:A)24√3 cm²
r=2√2
promien okregu wpisanego r=1/3h =1/3·a√3/2=a√3/6
2√2=a√3/6
a√3=6·2√2
a√3=12√2
a=12√2/√3 =(12√2·√3)/3 =4√6 -->dl. boku Δ
Pole Δ
P=(a²√3)/4=[(4√6)²·√3)]/4 =(96√3)/4=24√3cm²
odp:A)24√3 cm²