Please help me i need help ASAP!!!!!!!! A building with a height of 21 m casts a shadow that is 24 m long while a taller building casts a 96 m long shadow. What is the height of the taller building?

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asked Feb 20, 2020 84.7k views

2 votes

Please help me i need help ASAP!!!!!!!!

A building with a height of 21 m casts a shadow that is 24 m long while a taller building casts a 96 m long shadow. What is the height of the taller building?

Mathematics
college

IBBoard asked

by IBBoard

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1 Answer

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Using similar triangles

$(96)/(24) = (x)/(21) \: so \\ 96 * 21 = 24x \: which \: means \\ ((96)(21))/(24) = x = 84 \\ is \: the \: height \: of \: the \: taller \: building$

Sornars answered Feb 24, 2020

by Sornars

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