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PLEASE HELP!!! a 300 cm b 60 cm c 20 cm d 45 cm
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22 votes
PLEASE HELP!!!
a
300 cm
b
60 cm
c
20 cm
d
45 cm

PLEASE HELP!!! a 300 cm b 60 cm c 20 cm d 45 cm-example-1
User Marek Dorda
by
3.4k points

1 Answer

12 votes

Answer:

45 cm

Explanation:

Let length of the field in the drawing = x

80 : 120 :: 30 : x

Product of extreme = Product of means

80 * x = 120 * 30


x = (120*30)/(80)\\\\x = 15 * 3\\x = 45

User Jackie Honson
by
3.3k points
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