find perimeter of square if it's diagonal is 10√2 cm
A)10
B)40√2
C)40
D)20
Answers
Answered by
4
Answer:
I don't the answer....
Answered by
1
Answer:
C)40
Step-by-step explanation:
diagonal is 10√2
so 10√2=a√2
a=10cm
perimeter=4×side (a)
=4×10
=40cm
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