A packet contains 24 pens. Henry and Alice share them in the ratio 3:5. How many does Alice receive
1 answer:
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Answer:
b = 12mm
Step-by-step explanation:
Using pythagoras theorem, you will be able to find the answer.
a² = b² + c²
15² = b² + 9²
b² = 15 ² - 9²
b² = 144
b =
∴ b= 12mm