Question

An iron rod 5m long is placed against the wall in such a way that the foot of the rod is 3m away from the wall. Find how high the top of the iron rod reaches in the wall?

Answer 1

Answer:

4m

Step-by-step explanation:

To solve this question we must use the Pythogorous theorem which states that- A^+B^=C^

Here 5m- the iron rod- is the Hypotenuse(the longest side of the right angled triangle)

See attachment for better understanding

So,=> A^=3m

        C^=5m

then, 3^+B^=5^

9+B^=25

B^=25-9

B^=16

B= root of 16

B=4m

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Answer 2

Step-by-step explanation:

answer it attached above ..pls see the pic :)