Question

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Answer 1

Answer:

a = 54cm²

Step-by-step explanation:

small diagonal= 3x

long diagonal= 4x

Ar of rhombus = 1/2 x (di )x( dii)

.: longest diagonal = 12cm

12 = 4x

X=3

PTVof X=3 in small diagonal= 9

di=9, d2 = 12cm

ar=1/2 x 9 x 12

ar=9x6

ar=54cm²

Answer 2

Step-by-step explanation:

small diagonal= 3x

long diagonal= 4x

Ar of rhombus = 1/2 x (di )x( dii)

.: longest diagonal = 12cm

12 = 4x

X=3

PTVof X=3 in small diagonal= 9

di=9, d2 = 12cm

ar=1/2 x 9 x 12

ar=9x6

ar=54cm²