Two angles of a triangle are equal. The third angle is 40°. What is the size of each of the equal angles?, 20°, 40°, 60°, 70°, 80°, 100°, A triangle has one angle that is 30° larger than another. The third angle is twice the smallest angle. What is the smallest angle?, 20°, 25°, 30°, 35°, 40°, 45°, In a triangle, the angle opposite the longest side is 72°. The angle opposite the shortest side is 36°. What is the third angle?, 36°, 54°, 72°, 90°, 108°, 144°, One exterior angle of a triangle is 128°. One of the opposite interior angles is 50°. What is the other opposite interior angle?, 28°, 50°, 64°, 78°, 88°, 128°, A triangle has two angles in the ratio 3 : 5. The third angle is 36°. What is the larger of the two angles?, 30°, 45°, 54°, 60°, 72°, 90°, The largest angle of a triangle is opposite the side of length 10 cm. The smallest angle is opposite the side of length 6 cm. The third side is 8 cm. Which statement must be true?, The angle opposite 10 cm is the largest, The angle opposite 6 cm is the largest, All angles are equal, Two angles must be right angles, The triangle has a 90° angle, The sum of angles is greater than 180°

issing Angles & Properties

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