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30 votes
30 votes
Someone please answer question 4 and 5!! I have 14 minutes left till the exam end automatically

Someone please answer question 4 and 5!! I have 14 minutes left till the exam end-example-1
Someone please answer question 4 and 5!! I have 14 minutes left till the exam end-example-1
Someone please answer question 4 and 5!! I have 14 minutes left till the exam end-example-2
User Tiffini
by
3.0k points

1 Answer

14 votes
14 votes

4.

Suppose that the geometric mean between 6 and 12 is x thus we have :

x^2 = 6 × 12

x^2 = 72

x = + √72 Or x = - √72 ( unacceptable )

x = + √9 × √4 × √2

x = 6√2

x = 6root2

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5. similarity ratio = 24/20 = 30/25 = 6/5

User Laskdjf
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2.9k points