" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Dengan menggunakan teorema pytagoras, maka:
s² + s² = 9²
<=> 2s² = 81
<=> s² = 81/2
<=> s² = 40,5
Jadi, luas persegi tersebut adalah 40,5 cm²
9 = r√2
r = 9/√2
luas = r²
luas = (9/√2)² = 81/2 = 40,5 cm²