Answer:
Step-by-step explanation:
The equation of the form

has radius r.
Now your equation is

Hence its radius is 
Answer:
easy 10
Step-by-step explanation:
i put it in a vid because i don't know how else to explain
but i can't upload
Answer:
3 years -> value decreases by 20% 3 times
20% -> value is 80% of the original price
1st year value (after 20% decrease) = S15,500×
= S12,400
2nd year value (after 20% decrease) = S12,400×
= S9,920
3rd year value (after 20% decrease) = S9,920×
= S7,936
To get your answer p=2(l+w)
and when you do that you get
P=<span>44
Hope this helps ^-^
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