Extra work

For those that are finished with the triangle points, here you have some extra exercises:

1. Construct a triangle of sides 5, 7 and 3 cm with geogebra. Explain below how did you managed it.
2. Construct an acute triangle with two sides of 5 and 7 cm and an angle of 30º.
3. Construct a right triangle with sides 4 and 3 cm. What is the length of the hyphotenuse?
4. Construct an obtuse triangle with a side of 4 cm and an angle of 135º.