Answer:
234 square inches
Explanation:
We are given that
Length of book, l=11 in
Width of book, w=8 in
Height of book, h=1in
Additional area required to overlap=20 square inches
We have to find how many square inches of paper to make cover of one book.
We know that surface area of cuboid

Using the formula
Surface area of book


Total paper used to make cover of one book
=Surface area of book +additional surface area
=


Hence, Anwar will use paper to make cover of one book=234 square inches