13 Find the area and the perimeter of a square whose diagonal is 10 cm long.
Answers
Answered by
0
Step-by-step explanation:
area of square = side × side
= 10×10
= 100cm²
perimeter of square = 4×side = 4×10 = 40 cm
Answered by
0
Answer:
Step-by-step explanation:
A=50cm²
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