Question

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Answer 1

Answer:

3:4

let us take 3:4 a 3x:4x

thus, 4x=12

x=12/4

=3

hence 3x=3×3= 9

now pls find the area of rombus with given details as unfortunately I don't remember the formula for area of rombus.

hope this helps.

pls mark as brainliest

Answer 2

Step-by-step explanation:

One diagonal =3x

Second diagonal =4x=12

x=12/4

X=3

Area of rhombus =d1×d2/2

=3(3)×4(3)/2 cm^2

=9×12/2 cm^2

=108/2 cm^2

=54cm^2