Question

A boy 1.4 m tall casts a shadow 1.2 m long at the time when building casts a shadow 5.4 m long. The height of the building is

Answer 1

Answer:

6.3 meter

Step-by-step explanation:

Let, the height of the building be $x$ meter.

A.T.Q ,

  $\frac{1.2}{1.4} = \frac{5.4}{x}\\\frac{6}{7} = \frac{5.4}{x}\\6x = 5.4 * 7\\x = \frac{5.4 * 7}{6} \\x = 0.9 * 7\\x = 6.3$

Hence, the height of the building is 6.3 m