One setsquare has \(45º,90º,45º\) and another setsquare has \(60º,90º,30º\). They have \(90º\) as common angle.
Explain why the bulb would not glow in the arrangement shown in Fig. 9.13.
Draw:
1) a leaf
2) a taproot and
3) a flower,
you have studied for Table 4.3