Question

At 3pm a tree 10m high casts a shadow of 9.4m long what will be the height another tree which casts a shadow of 28.2 m long at the same time of the day ​

Answer 1

Step-by-step explanation:

Let the height of the building x metres.

Less lengthy shadow, Less in the height (Direct Proportion)

∴40.25:28.75::17.5:x⇔40.25×x=28.75×17.5

x=

40.25

28.75×17.5

⇒x=12.5