To avoid sound focusing ,the surface in the hall should be constructed a.cylindrical.b spherical.c parabolicd.triangular
Answers
Answered by
4
Answer:
Semi circle
Explanation:
But here literally same with semi circle is parabolic
So the answer is parabolic
Similar questions
Math,
5 months ago
English,
5 months ago
English,
11 months ago
Computer Science,
11 months ago
Chemistry,
1 year ago