66 because you divide 100 by 90 that multiply that number by 60
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Answer: 6
Step-by-step explanation:
because i said so
Answer:
C
Step-by-step explanation:
do that with pithagoras:
20² + 4,5² = x²
400 + 20,25 = x²
420,25 = x²
x = 
x ~ 20,5
Letter C: 20,5 feet