2D 3D

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(25.12)x(25.12)x(251.2)=(301.44)

(A)+(A)+(A)=(SA)

(25.12)x(10)=(251.2)

c=(2)x(3.14)x(4)=25.12

c=2pir

3.14x(4x4)=25.12

pir2=(A)

Link:https://www.youtube.com/watch?v=IIe4axBK72w

To find surface area you have to find the area of each side and add them all together:)

(A)+(A)+(A)+(A)+(A)=(SA)

(300)+(510)+(21)+(21)+(630)=(1482)

(10)x(30)=(300), (17)x(30)=(510), (21)x(2)/2=(21), (21)x(30)=(630)

prism

a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.

(V)=(1.3cm)X(6cm)X10cm)=78cm

(v)=(1/2 h)x (L)X(W)

Link:https://www.youtube.com/watch?v=I3vYW5SUp3Y

Cylinder

A cylinder is one of the most basic curvilinear geometric shapes, the surface formed by the points at a fixed distance from a given straight line, the axis of the cylinder.

(v)=pir2h

(v)=(3.14)x(2cm2)x(4cm)=50.24

Link:https://www.youtube.com/watch?v=BKOf_xBtgCk

(7)+(7)=(14)x2=(28m)

(B)+(H)x2

(sum of all the exterior sides)

(A)+(B)+(C)+(D)=(P)

(6)+(2)+(3)+(3)+(3)+(5)=(22ft)

Link:https://www.youtube.com/watch?v=TiXATDNNnr4

A regular shape, also known as a regular polygon is a shape that has sides that are all equal

(5)x(5)=(25)

(B)x(H)=(A)

A composite shape is a figure that can be divided into more than one of the basic shapes. (a shape that has another shape attached to it)

(B)x(H)/2=(A)

(12)x(7)=84/2=42cm

(L)x(W)=(A)

(12)x(15)=(180cm2)

2D & 3D measurement

Area

The amount of space inside the boundary of a 2-dimensional object

surface area

the outside part or uppermost layer of something (The area of all sides of a shape.)

prisms

Perimeter

Regular

The distance around a two-dimensional shape.

Composite

volume

cylinders

Volume is the measure of the amount of space inside of a solid figure,

Prisms