anacaays anacaays

29-07-2020
Mathematics

contestada

please help me with this

please help me with this class=

Respuesta :

valerieulbrich valerieulbrich

03-08-2020

Answer:

see explanation

Step-by-step explanation:

2πr (230/360) = 2(3.142)(40) = 160.59 cm = circumference

160.59 = 2πr

base radius = 25.56 cm

Use pythagorean formula for semi-vertical height

40² = h² + 25.56²

h = 30.77 cm

volume = 1/3πr²h

V = 1/3(3.142)(25.56)²(30.77) = 21,053.98 cm³

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