Respuesta :

Answer:

40

Step-by-step explanation:

If the dimensions are proportional, then you just need to multiply 5 by 8 to get what ? is equal to.

Answer:The Answer is 40

Step-by-step explanation:the bottom is 7 x 8 to get 56 the side length is 8x8 to get 64 and the other is 5 x8 to get 40.

Hope this helped ;D

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