A triangle in which all of the angles are smaller than 90° is called an ____ ____.
1 answer:
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Answer:
There are total 30 books in the 5 feet high stack of books.
Step-by-step explanation:
The complete question is
Given, Each note book is 2 inches thick, How many notebooks do you think it would take to make a stack that is 5 feet high
Solution
Thickness of each book
The total height of the book stack is feet.
The number of books in the stack is equal to total height of the stack divided by the thickness of one book
Number of books in five feet high stack is
Hence, there are total 30 books in the 5 feet high stack of books.