Finding the length of the wall — task. Maths CBSE Live product, Class 7 (2025-26).

The length of the black board is measured using the \(\frac{3}{26}\) meters of thread.

If we use 18 number of thread for measuring the black board.

What is the length of the black board?

Answer:

The length of the black board is

\frac{i}{i}

\(m\).

[NOTE: With simplication]

Did you find an error?

7. Finding the length of the wall