A bookshelf is 3 1/2 feet long.each book on the shelf is 5/8 inches wide how many books will fit on the shelf?
1 answer:
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Answer:
x =
Step-by-step explanation:
Applying altitude- on - hypotenuse theorem.
(leg of large Δ )² = ( part of hypotenuse below it ) × ( whole hypotenuse )
x² = 3 × (3 + 7) = 3 × 10 = 30 ( take square root of both sides )
x =