A student reads 3/5 of a book in 30 minutes how much of the book will be read if the student reads at the same speed for 40 minu
1 answer:
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Answer:
The first one
Step-by-step explanation:
Using the tangent ratio in the right triangle
tan30° = =
=
Multiply both sides by 8
8 × tan30° = b, that is
b = 8tan30°