Respuesta :

24. Yes, they are congruent by the AAS postulate/statement

26. 3/4.5 = 5.2/a -> m-e thm. -> mult. POC -> a = 7.8 in.

30. pythagorean thm. -> 2² + b² = 2.5² -> b = 1.5 m

32. a) v = 1/3πr²h -> v = 1/3*3.14*4.5²*6 (6 is found w/ pythagorean thm.) -> v ≈ 127.2 cm³

b) yes, 130 cm³ > 127.2 cm³

33. a) 4.5/r = 2/7 -> 4.5/2 = r/7 -> 15.75 ≈ 15.8 in.

b) due to the cones being similar in shape, all one-dimensional measurements will be the same, thus, it is 2:7.

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