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lorasvet [3.4K]
4 years ago
8

HELP AND PLEASE PROVIDE A FULL EXPLANATION THANK YOU

Mathematics
1 answer:
Marrrta [24]4 years ago
8 0
Let us consider the distance between kensington and greenwich be x
since the given figure is a right angled triangle,we use pythagoras theorem to find the answer

so by pythagoras theorem
x^2= 20^2+40^2
x^2=400+1600
x^2=2000

x=root of 2000=20root 5mi
answer is option (b)
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