clc; clear all; V = 120000; // Volume of hall in cubic meters T = 1.5; // Reverberation time TSA = 25000; // Total absorbing surface area in square meters A = (0.163*V)/T TA = A/TSA;//The average absorbing power of the surface disp('Sabine',TA,'The average absorbing power of the surface is ') // Slight variation in answer compared to textbook.. there is mistake in book.. checked in calculator also..