Find the missing length of the triangle.
2 answers:
There are special properties to certain right triangles.
A 3-4-5 triangle will always be a right triangle. 9 divides into 3, and 15 divides into 5, so you can use ratios to find b.
Since 9 divides into 3, we will use this to set up proportions for the missing value:
Cross multiply the fractions.
Divide both sides by 3.
The missing value is
12.
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The answer is CD, choice A
Inside = 15^2/2 =
112.5
Outside = (26*27)/2 = 351
Total = outside - inside
= 351 -112.5 = 238.5
216/2= 108
108*3= 324 pages
There are 324 pages in the book.
I hope this helps!
~kaikers
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Step-by-step explanation: