Question

dau coroanaaaaaaaaaaa

Answer 1

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Answer 2

a) rezolvam prin teorema lui Pitagora
BC^2=AB^2+AC^2
BC^2=3^2+4^2
BC^2=9+16
BC^2=25
BC=√25
BC=5 cm

b) BC^2=AB^2+AC^2
BC^2=12^2+5^2
BC^2=144+25
BC^2=169
BC=√169
BC=13 cm

c) BC^2=AB^2+AC^2
BC^2=6^2+8^2
BC^2=36+64
BC^2=100
BC=√100
BC=10 cm