Hi there!
[tex]\bf{29.}[/tex] [tex]\dfrac{1}{3}[/tex] (3.14) (2.3)² (18)
⇒[tex]\dfrac{1}{3}[/tex] (3.14) (2.3) (2.3) (18)
⇒ [tex]\dfrac{298. 9908}{3}[/tex] = 99. 6636
[tex]\bf{30.}[/tex] [tex]\dfrac{4}{3}[/tex] (3.14) (3.6)³
⇒[tex]\dfrac{4}{3}[/tex] (3.14) (3.6) (3.6) (3.6)
⇒ [tex]\dfrac{587. 8656}{3}[/tex] = 195. 9552
~ Hope it helps!
