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Jawab:
Sisi miring = √
Perbandingannya: ∶ √ ∶
∶ ∶ √ = ∶ √ ∶ ( )
Jadi
( ) = √
√
= = √
= √ = √ × √ = √
✓ untuk mencari panjang AC, perhatikan ∆ :
A
45
o
B C
sisi miring = AC
AB = BC = √
perbandingannya: ∶ ∶ √
∶ ∶ = √ ∶ √ ∶ ( √ )√
AC = ( √ )√ = × √ × √ = × =
Modul 1 Kelas VIII Teorema Pythagoras 13
