C-07-Q027mediumsingle_mcq
If the given base-adjacent angle is NOT acute, Construction 2 is—
If the given base-adjacent angle is NOT acute, Construction 2 is—
- aalways possible
- bnot possible as described
- cpossible only for equilateral
- dunique up to reflection
ব্যাখ্যা
The method relies on the base-adjacent angle being acute so that the difference segment and the parallel line intersect properly. If the angle is not acute, this intersection fails, so the construction is not possible as described.