Question

please answer this fast​

Answer 1

Answer:

18sq.cm

Step-by-step explanation:

first we need to find lateral area of the box

formula = 2h(l+b)

=2 * 1.5(1+2)

=3(3) = 9sq.cm

next we need to find the area of the top part

formula = l * b

= 1*2

= 2sq.cm

now we need to find the total area = lateral area + top part area = 9 * 2 = 18sq.cm

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