Atravel book has 70 2 sided pages of pictures each of which is 1/28 in thick where each 2 sided page is preceded by a protective 1/70 inch thick piece of paper in each side of the book is bound by 1/8 inch cover what is the total thickness of the book

2.78 inches

Step-by-step explanation:

Given,

Total pages = 70,

Thickness of each page = ,

Thus, the total thickness of 70 pages =

Also, each 2 sided page is preceded by a protective inches,

So, the total thickness of protective pages =

Now, the each side of the book is bound by 1/8 inch cover,

So, the total thickness of the cover =

Hence, the total thickness of the book = thickness of 70 pages + thickness of protective pages + thickness of cover

≈ 2.78 inches

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.