3.4a : Volume of Prisms and Cylinders p. 607-613 GSE’s Primary M(G&M)–10–6 Solves problems...
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Transcript of 3.4a : Volume of Prisms and Cylinders p. 607-613 GSE’s Primary M(G&M)–10–6 Solves problems...
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3.4a : Volume of Prisms and Cylindersp. 607-613
GSE’s
Primary
M(G&M)–10–6 Solves problems involving perimeter, circumference, or area of two dimensional figures (including composite figures) or surface area or volume of three
Secondary
M(G&M)–10–2 Makes and defends conjectures, constructs geometric arguments, uses geometric properties, or uses theorems to solve problems involving angles, lines, polygons, circles, or right triangle ratios (sine, cosine, tangent) within mathematics or across disciplines or contexts (e.g., Pythagorean Theorem, Triangle Inequality Theorem)
G-GMD.3 Use volume formulas for cylinders, pyramids, cones, and spheres to solve problems.?
CCSS:
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Volume- The amount of space inside of a 3-D object
Ex. Finding how much water fits into a pitcher is finding the volume of the pitcher
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Volume of any right Prisms or Cylinder:
BhV
Area of baseHeight between the bases(altitude)
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Find the volume
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Answer
The bases are trapezoids
BhV
))((2
1
trapezoidof
21 bbh
areaB
)65)(4(2
1
22
(22)(h)
= (22)(7)= 154 ft3
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Find the Volume
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Answer:
V= Bh
B = Area of the Triangle (base)
))((2
1 hb
))(12(2
1 h 9
1512
.222
x
x
theorempyth
254)9)(12(2
1 cm
hcmV 254 cmcmV 1054 2
3540cmV
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Find the Volume of the Cylinder
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Find the Volume of the CylinderAnswer:
V= Bh
22
2
78.5or 25
5
basecircular of
mmmm
areaB
))( (78.5V 2 hmm
)25)( (78.5V 2 mmmm35.1962V mm
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The surface area of a cylinder is 140 square mm.
The radius of the cylinder is 3 mm.
What is the volume of the cylinder?
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The surface area of a cylinder is 140 square mm.
The radius of the cylinder is 3 mm.
What is the volume of the cylinder?
Answer: BhV hV 23
Need the height, go back to SA info
h
areaSA
)32(32140
rectangle of area circles 2 2
mmh
h
4.4
)32(32140 2
3
22
4.124
4.43
mm
mmmmV
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If the side of a cube is doubled, what happens to the volume?
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Find the volume of the steel I-Beam
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Find the volume of Toilet paper left on the roll
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Home Depot claims this Shed has over 50 cubic feet of storage area. Is
this a correct statement?
[ 1 ft = 12 in][ 1 sq foot = 144 sq inches][1 cubic ft = 1,728 cubic inches]
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Find the Volume
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Homework