Step-by-step explanation:
Volume of a cylinder : πr^2*height.
Volume : 150cm^3
height : 7.2m
π =3.14
150 = 3.14*r*r*7.2
150=22.608*r*r
r^2= 150/22.608
=150/23cm^2
r=√6.5
r=2.569cm
r=2.6cm
Answer:
1. 1/3
2. 256
Step-by-step explanation:
3/3/3 is .133333 (3's are repeated)
4*4*4*4 is 256
Answer:
71
Step-by-step explanation:
Area of fig 1 = 1 x b = 7 x 4 = 28
Area of fig 2 = l x b = (7-2) x 3 = 5 x 3 = 15
Area of fig 1 = 1 x b = 7 x 4 = 28 (same as ig 1)
Area of whole fig = fig 1 + fig 2 + fig 3 = 28+15+28 = 71
I hope im right !!
2.5 b = 27.5
b = 27.5 / 2.5
b = 11
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