1. (a) The diameter is 9 cm.
(b) All of the angles are 60o.
(c) The longest side is 5 cm long.
2. (c) The longest side can never be greater than the sum of the two shortest sides.
5. Check that your constructions are correct by checking the measurements in bold.
6. (d) AC = 6.0 cm
(e) The triangle is an equilateral triangle.
7. The angles are 80o, 57o and 43o.
8. PR = 6.2 cm
9. a. angle C = 52o
b.BC = 6.2 cm and AC = 6.5 cm