figures, the formulae are given This is a challenging activity for test the knowledge of formulae. In the first two
the triangular boxes. First cut these boxes and now arrange these boxes as the third figure to form a big triangle. But touter sides of the triangle should remain empty and the expansion of the formulae is just below the line.
![figures the formulae are given This is a challenging activity for test the knowledge of formulae In the first two the triangular boxes First cut these boxes and class=](https://us-static.z-dn.net/files/d5a/e13572ef55e6eaa6750b2acc2f761e3f.png)
![figures the formulae are given This is a challenging activity for test the knowledge of formulae In the first two the triangular boxes First cut these boxes and class=](https://us-static.z-dn.net/files/dfa/41bfd1558c06caadfa8e6e97bb945a3b.png)