1.

Find the volume of the cylinder if height (h) and radius of the base (r) are as given below.(1) r =10.5 cm, h = 8 cm (2) r = 2.5 m, h = 7 m(3) r = 4.2 cm, h = 5 cm (4) r = 5.6 cm, h = 5 cm

Answer»

Answer:

Step-by-step EXPLANATION:

Volume of cylinder = π r² h

R = radius

h = height

π = 22/7

(1) r =10.5 cm, h = 8 cm

Volume =    (22/7)(10.5)²* 8 =  2772 cm³

(2) r =2.5 cm, h = 7 cm

Volume =    (22/7)(2.5)²* 7 = 137.5 cm³

(3) r =4.2 cm, h = 5 cm

Volume =    (22/7)(4.2)²* 5 = 277.2 cm³

(4) r =5.6 cm, h = 5 cm

Volume =    (22/7)(5.6)²* 5 = 492.8 cm³



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