Mathematics 4 ESO – Unit 9 TRIGONOMETRY extra activities
1 – Calculate the length of the hypotenuse:
- a) The lengths of the catheti are: 3 m and 4 m
- b) The lengths of the catheti are: 38mm and 12 mm
- c) The lengths of the catheti are: 20 cm and 15 cm
2 – Calculate the length of the other cathetus:
- a) Hypotenuse = 14 m ; cathetus = 6 m
- b) Hypotenuse = 10 m ; cathetus = 4 m
- c) Hypotenuse = 26 cm ; cathetus = 16 cm
- d) Hypotenuse = 15 m ; cathetus = 14 m
3 – Find the trigonometric ratios for α in these triangles:
- a) Hypotenuse = 6 ; Adjacent side = 5
- b) Adjacent side = 8; Opposite side = 4
4 – Find the height of towers A and B.