Answer:
b=45/4
Step-by-step explanation:
This is a special triangle 30-60-90.
In big triangle hypotenuse 15, short leg x=(hypotenuse/2), x=15/2.
In smallest triangle :
1. This is also special triangle 30-60-90
2. x=15/2 hypotenuse
3. "a" is a shortest leg in the smallest triangle,
so a=(15/2)/2=15/4
a+b=15
15/4 +b=15
b=15 -15/4=15*4/4 -15/4 = 45/4
b=45/4
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What's your question?
Answer:
The answer you put is correct.
Step-by-step explanation:
It is B.
7.50 * (1.04) = $7.80
Hope this helps
3.142×16.4=51.5288 and if round that it gives you 51.53
