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Kelas 8 MatematikaBab Teorema Pythagoras
Panjang alas pada segitiga besar
= √(25² - 7²)
= √(625 - 49)
= √(576)
= 24 cm
Panjang sisi miring pada segitiga kecil
= √(5² + 12²)
= √(25 + 144)
= √(169)
= 13 cm
Keliling = 7 + 25 + 24 - 13 + 12 + 5
Keliling = 60 cm