S A = r² π + 2 r π h 192 π = r² π + 2 r π h / : π 192 = r² + 2 r h 2 r h = 192 - r² h = (192 - r² ) / 2 r V = r² π h = r² π ( (192 - r² ) / 2 r ) = = π / 2 ( 192 r - r³ )
Step-by-step explanation: K subtracted by 8.4 is greater than 21, so we start the equality off with our unknown variable K. Because K-8.4 is greater than 21, our symbol faces the direction of K-8.4 (symbol always faces the direction of the greater values).
