6.
Find the side and perimeter of a square whose diagonal is 10 cm.
Answers
Answered by
1
Answer:
Diagonal of a square=
2
a
where
a=side
10=
2
a
a=
2
10
a=5
2
cm
Perimeter of square=4a
=4×5
2
=20
2
Therefore side and perimeter of the square is 5
2
cm and 20
2
cm
Answered by
1
Diagonal = 10cm
The diagonals of a square are equal.
Also, A square is also a rhombus.
Area of rhombus =
=> 10 X 10/ 2
=> 100/2
=>
Area of square =
Hence, side of the square is 7.07cm
Perimeter of square = 4a
=>
=> 28.2 cm
Hence, the perimeter of the square is 28.2 cm
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