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Diano4ka-milaya [45]

4 years ago

5

A telephone pole casts a shadow that is 29 m long. Find the height of the telephone pole if a statue that is 38 cm tall casts a

shadow 78 cm long.

2 answers:

Bezzdna [24]4 years ago

5 0

The height of the telephone pole is 141.28

larisa [96]4 years ago

5 0

Let the height of the telephone pole be h.
$\frac{h}{29}=\frac{38}{78}$
$h=\frac{38\times29}{78}=14.128$
The height of the telephone is 14.128 m

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QveST [7]

$De finition:\\\sqrt{a}=b\ \iff b^2=a\\=====================\\\\$

$625|5\\125|5\\.\ 25|5\\.\ \ 5|5\\.\ \ 1|\\\\625=5\times5\times5\times5=5^2\times5^2\\\\\sqrt{625}=\sqrt{5^2\times5^2}=(*)\\-------------------------------\\use:\ \sqrt{a\times b}=\sqrt{a}\times\sqrt{b}\ and\ \sqrt{a^2}=a\ for\ a\geq0\\-------------------------------\\(*)=\sqrt{5^2}\times\sqrt{5^2}=5\times5=\boxed{25}$

$Other\ solution:\\\\\sqrt{625}=25\ because\ 25^2=25\times25=625$

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3 years ago

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torisob [31]

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4 years ago

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Step-by-step explanation:

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3 years ago

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sveta [45]

The system has:

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2 years ago

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Nesterboy [21]

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3 years ago