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A music playlist has 21 hiphop songs, 53 rock songs, and 15 popular songs. How many songs are in the playlist?
O 86
O 87
O 88
O 89
A music playlist has 21 hiphop songs, 53 rock songs, and 15 popular songs. How many songs are in the playlist?
O 86
O 87
O 88
O 89
1 answer:
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In all geometry problems, drawing a diagram is most helpful.
The half-side lengths are 5 feet and 12 feet.
By the Pythagorean Theorem, the hypothenuse, or side length of the rhombus is therefore
sqrt(5^2+12^2)=sqrt(169)=sqrt(13^2)
= 13 feet.
See diagram below.
