Answer:
Length of the diagonal=21.21cm
Step-by-step explanation:
square =c^2= a^2 + a^2
c^2=15^2+15^2
C^2= 225+ 225=450
C= 450 = 25× 9× 2= 5×3×1.414 =15×1.414
= 21.21 cm
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Answer:
Length of the diagonal=21.21cm
Step-by-step explanation:
square =c^2= a^2 + a^2
c^2=15^2+15^2
C^2= 225+ 225=450
C= 450 = 25× 9× 2= 5×3×1.414 =15×1.414
= 21.21 cm