Answer:
24
Step-by-step explanation:
Statistically... this is just a permutation of 4
Perimiter=sum of all sides
x+x-4+x-4=19
3x-8=19
add 8 both sides
3x=27
divide both sides by 3
x=9 inches
x=9 in
Answer: 9π/20 radians
How to: <u>Convert from degrees to radians using the ratio π/180 .</u>
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