1. If the diagonal of a square is 5 √2
then find its perimeter
Answers
Answered by
0
Answer:
Step-by-step explanation:
If the diagonal of a square is 5√2 cm. Hence, the perimeter of the square is 20 cm and area is 25 sq
Answered by
1
Answer:
By Pythagoras thorem:
AB
2
+AD
2
=BD
2
and AB=AD ( as ABCD is a square)
Let AB=AD=x
2x
2
=(5
2
)
2
where BD=5
2
cm
2x
2
=(5
2
)
2
where BD=5
2
cm
2x
2
=25×2
x
2
=25
or x=5=AB=BC=CD=AD
∴ perimeter =AB+BC+CD+AD=4x=20 cm
Similar questions