Jawaban:
x² = 41² - 9²
x² = 1.681 - 81
x² = 1.600
x = √1.600
x = √40²
x = 40 cm
.
y² = 30² + 40²
y² = 900 + 1.600
y² = 2.500
y = √2.500
y = √50²
y = 50 cm
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Jawaban:
Panjang sisi x
x² = 41² - 9²
x² = 1.681 - 81
x² = 1.600
x = √1.600
x = √40²
x = 40 cm
.
Panjang sisi y
y² = 30² + 40²
y² = 900 + 1.600
y² = 2.500
y = √2.500
y = √50²
y = 50 cm