#21, what is this answer ?
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Answer:
18 ft
Step-by-step explanation:
Height of the cable pole and it's shadow's length will be in direct proportion with the height of man and its shadow.
Let the height of the cable pole be x feet
[tex]\therefore \frac{x}{12} = \frac{6}{4} \\ \\ x = \frac{ \cancel{12} \times 6}{ \cancel4} \\ \\ x = 3 \times 6 \\ \\ x = 18 \: ft[/tex]