There are 6 blades on each windmill how many total blades are on 7 vwindmills? use fives facts to solves
1 answer:
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Answer:
the speed btn sonya and issac would make a right angled trangle hence easy 2 solve through pythogoras
then find the
hence get 45
since it was 12 mins we need 2 multiply by 12
hence
Therefore it's 540mph