WILL GIVE BRAINLIEST A jewelry box is in the shape of a right rectangular prism with a length of 8.25 cm, a width of 5.5 cm, and

Question

3 years ago

10

WILL GIVE BRAINLIEST A jewelry box is in the shape of a right rectangular prism with a length of 8.25 cm, a width of 5.5 cm, and

a height of 4.5 cm. How many square centimeters of gift wrap is needed to completely cover the box? Enter your answer in the box.

Mathematics

2 answers:

Aleksandr [31] · Answer 1 · 2022-04-12T17:40:31+03:00

Aleksandr [31]3 years ago

8 0

Step 1: find the area of the base
A=l*w = 8.25*5.5 = 45.375

Step 2: find the perimeter of the base
P=2l+2w = 2(8.25) + 2(5.5) = 16.5 + 11 = 27.5

Step 3: find the surface area of the prism
SA=2A+Ph = 2(45.375) + 27.5(4.5) = 90.75 + 123.75 = 214.5

Hope this helps

blagie [28] · Answer 2 · 2022-04-12T19:41:51+03:00

As , we know Total surface area of Right rectangular prism or Cuboid is given by the formula -

2(lb+bh+hl)

where , l , b and h are length , Breadth and hieght respectively.

So, Total surface area of the given rectangular prism →

2{(8.25×5.5)+(5.5×4.5)+(4.5×8.25)}

= 2{45.375+24.75+37.125}

= 2{107.25}

= 214.5 cm²

Answer ) 214.5 cm² of gift wrap is needed.