breebear49 breebear49

09-05-2020
Mathematics

contestada

i need help because my friends are dumb and they don't know the answer to this :)

i need help because my friends are dumb and they dont know the answer to this class=

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alisyeda1799 alisyeda1799

09-05-2020

Answer:

4

Step-by-step explanation:

2lw + 2hw + 2lh = 2(3)(2.2) + 2(7.5)(2.2) + 2(3)(7.5) = 91.2

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dogloverss dogloverss

09-05-2020

Answer:

The surface area is 91.2cm

Step-by-step explanation:

Let S = Surface Area

S= 2 (2.2cm x 7.5cm) + 2 (3.0cm x 7.5cm) + 2 (2.2cm x 3.0cm)

S= 33cm + 45cm + 13.2 cm

S= 91.2 cm

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