C-07-Q062mediumsingle_mcq
From being alternate angles, it follows that—
From being alternate angles, it follows that—
- a
- b and are parallel and equal
- c
- d is right-angled
ব্যাখ্যা
Equal alternate angles () force , and the congruent triangles give . Hence and are both parallel and equal, which is exactly the condition for the opposite sides of a parallelogram.