Step-by-step explanation:
In a Rhombus, s1=s2=s3=s4=s
area =1/2×d1×d2
25=1/2×4×d2
d2= 12.5
by pythagoras theorem
d2 ²= d1 ²+ side ²
(12.5)²= (4)²+ s²
s²= 140.25
s= 11.8
Perimeter= sum of all sides
= 4s
=4(11.8)
=47.2 cm
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Answers & Comments
Step-by-step explanation:
In a Rhombus, s1=s2=s3=s4=s
area =1/2×d1×d2
25=1/2×4×d2
d2= 12.5
by pythagoras theorem
d2 ²= d1 ²+ side ²
(12.5)²= (4)²+ s²
s²= 140.25
s= 11.8
Perimeter= sum of all sides
= 4s
=4(11.8)
=47.2 cm