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Thank you

Another working for your reference

Shaded area is equal to unshaded area.

Shaded area = 12 + 20 = 32

Since shaded area = unshaded area.

Total area for the whole figure = 32 x 2= 64.

Therefore, Length x Length = 64. (Square)

Hence , Length = 8 cm (8 x8=64)

Hope this helps

Shaded area is equal to unshaded area.

Shaded area = 12 + 20 = 32

Since shaded area = unshaded area.

Total area for the whole figure = 32 x 2= 64.

Therefore, Length x Length = 64. (Square)

Hence , Length = 8 cm (8 x8=64)

Hope this helps

Thank you very much