Jawab:
Tinggi :
= √(13² - 5²)
= √(169 - 25)
= √144
= 12 cm
BD :
= √(20² - 12²)
= √(400 - 144)
= √256
= 16 cm
AB = 16 - 5 = 11 cm
Luas :
= 11 × 12 / 2
= 66 cm²
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Jawab:
Tinggi :
= √(13² - 5²)
= √(169 - 25)
= √144
= 12 cm
BD :
= √(20² - 12²)
= √(400 - 144)
= √256
= 16 cm
AB = 16 - 5 = 11 cm
Luas :
= 11 × 12 / 2
= 66 cm²