- Length=L=12cm
- Breadth=B=8cm
Area:-
The number of shelves, s, in a bookcase and the number of books, b, the bookcase can hold
1 answer:
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Answer:
<h2>89.5°</h2>Step-by-step explanation:
Using the vector formula
|u| = magnitude of vector u
|v| = magnitude of vector v
u.v is the dot product of vector u and v
Given |u| = 88, |v| = 99 and u.v = 77, to get we will substitute the given values into the equation above;