Question

The area of rohmbus is 20 cm and the length of its altitude is 5 cm, then the perimeter of the rohmbus is .a)10cm,b)15cm,c)20 cm, d) none
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Answer 1

Answer:

Side of the rhombus =20÷5=4

=4×side

4×4=16

: perimeter of rhombus is 16cm