h\) is the exterior angle. \(g + h = 180^\circ\) The interior angle and its corresponding exterior angle always add up to 180°. The sum of interior angles in a triangle is 180°. To prove \(a + b ...

Parallel lines in shapes can form corresponding and alternate ... Angles in triangles and quadrilaterals Angles inside a shape are called interior angles. Interior angles in a triangle add up ...

If a transversal intersects two parallel lines, then (i) each pair of corresponding angles is equal, (ii) each pair of alternate interior angles is equal, (iii) each pair of interior angles on the ...

Then which of the following statements is correct? (a) Each pair of alternate interior angles is equal. (b) Each pair of corresponding angles is equal. (c) Each pair of interior angles on the same ...