Question

How much wrapping paper will be needed to cover the figure below rounded to the nearest tenth?

height is 2.2cm
length is 9.1cm
width is 3.8cm




Question 2 options:

125.9 cm^2


76 cm^2


180 cm^2


100.1 cm^2

Answer 1

Height ; Find the number in the tenth place

2

and look one place to the right for the rounding digit

c

. Round up if this number is greater than or equal to

5

and round down if it is less than

5

.

0

Length ; Find the number in the tenth place

1

and look one place to the right for the rounding digit

c

. Round up if this number is greater than or equal to

5

and round down if it is less than

5

.

0

Width ; Find the number in the tenth place

8

and look one place to the right for the rounding digit

c

. Round up if this number is greater than or equal to

5

and round down if it is less than

5

.

0