Question

05.06)A chocolate bar measures 30 mm wide, 70 mm long, and four and one over two mm high. Will’s Wrapping Company is making a wrapper to cover the chocolate bar. Use the correct net and determine how much paper will be needed to make the wrapper.

The net of a rectangular prism with a height of 30 millimeters, a length of 70 millimeters, and a width of 4 and 1 over 2 millimeters.

Will's Wrapping Company needs 2,550 mm2 of paper to wrap the chocolate bar.
Will's Wrapping Company needs 4,200 mm2 of paper to wrap the chocolate bar.
Will's Wrapping Company needs 5,100 mm2 of paper to wrap the chocolate bar.
Will's Wrapping Company needs 7,000 mm2 of paper to wrap the chocolate bar.

Answer 1

5100

Explanation:

Answer 2

5100 mm², hope that helps! (OwO)

Explanation:

surface area]=2*[area of the base]+[perimeter of the base]*height

area of the base=30*70-----> 2100 mm²

perimeter of the base=2*(30+70)-----> 200 mm

height=4 1/2 mm-----> (4*2+1)/2-----> 9/2 mm

[surface area]=2*[2100]+[200]*9/2-----> 5100 mm²