Write down the measures of
(a) some acute angles.
(b) some obtuse angles.
(Give two examples of each).
(a) Acute angles is the angle which is less than 90° so the examples are; 30°, 45°, 60° and 70°
(b) Obtuse angle is the angle which is greater than 90° but less than 180° and the examples are; 110°, 120°, 135° and 170°.