Question

4. A building 15 m high casts a shadow 1.8 m long. What would the height of a pole
be, if at the same time its shadow is 60 cm?
The answer is 5 CM... Solve question according to the answer... ​

Answer 1

Answer:

5 metres

Step-by-step explanation:

Let heights of building be  x .

Let length of shadow be y .

Length of building = 15 m = 1500 cm

Shadow of building = 1.8 m = 180 cm

Length of building = x₂

Shadow of length = 60 cm

Now whenever height of the building increases , then length of the shadow will also increase .

∴ x ∝ y

⇒ x₁/ y₁ = x₂/y₂

⇒ 1500 / 180 = x₂ / 60

By transposition :-

x₂ = (1500 / 180 ) × 60

x₂ = 1500 / 3 = 500 cm = 5 m

⇒ The height of the building when the shadow is 60 cm long is 5 metres .

⇒ Hope it helps :)

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Answer 2

Answer:

5 Metres

Here is your answer...Just click the given image above and you will get your answer... Hope it helps you... Stay safe with your family and Don't Forget To Smile Today ...

Step-by-step explanation:

Firstly, convert the 60 CM into Meters and then solve question according to the method of direct variations...