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3 years ago

11

A travel agency runs a new ad for beach vacations. The ad poster shows a large image of a bottle of sunscreen, based on a scale

of 9:1 in cm.
If the actual bottle of sunscreen was 10 cm long, how many cm is it in the poster?

1 answer:

Andreas93 [3]3 years ago

5 0

The length would be 90 cm. For every 1 cm of actual size it will be increased by 9. So.....10 x 9 = 90 cm.

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Pythagoras theorem can be used to find the length.

$(H)^2 = (P)^2+(B)^2\\H^2 = (9)^2+(12)^2\\H^2 = 81+144\\H^2 = 225\\\sqrt{H^2} = \sqrt{225}\\H = 15$

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