3 years ago

Calculate the total surface area of the rectangular prism

Mathematics

2 answers:

jeka57 [31]3 years ago

5 0

Answer:

170.3cm^2

Step-by-step explanation:

The total surface area is the sum of surfaces of all sides.

We have 2 sides of 7.9cmx4.5cm, 2 sides of 7.9cmx4cm, and 2 sides of 4.5cm*4cm.

7.9cm*4.5cm = 35.55cm^2

7.9cm*4cm = 31.6cm^2

4.5cm*4cm = 18cm^2

2 * (35.55cm^2 + 31.6cm^2 + 18cm^2) = 2 * 85.15cm^2 = 170.3cm^2

sweet [91]3 years ago

4 0

Answer: C. 170.3 cm squared

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