Chapter 10

Ashlyn W.

10.1 Areas of Parallelograms and Trapezoids

Area of a Parallelogram

The area of a parallelogram is the product of the base and the height.

Formula: A=bh

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Bases of a trapezoid are its two parallel sides. Height of a trapezoid is the perpendicular distance between the bases.

Area of a Trapezoid

The area of a trapezoid is one half the product of the sum of the bases and the height.

Formula: A= 1/2(b1+b2)h

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10.2 Areas of Circles

Area of a Circle

The area of a circle is the product of TT and the square of the radius.


How to Find the Area of a Circle, Given a Radius or a Diameter

Area of two circles.

Formula: A=2TTr2
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10.3 Three-Dimensional Figures

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Counting faces, edges, and vertices of the figure above.

Faces: 6

Edges: 12

Vertices: 8

10.4 Surface Areas of Prisms and Cylinders

Surface Area of a Prism

Formula: S = 2B + Ph
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Surface Area of a Cylinder

S = 2B + Ch = 2TTr2 + 2TTrh
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Surface Area Of A Cylinder -

10.5 Surface Areas of Pyramids and Cones

Surface Area of a Pyramid

S = B + 1/2Pl
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Surface Area of a Cone

Formula: S = TTr2 + TTrl
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Surface Area of a Cone

10.6 Volumes of Prisms and Cylinders

Volume of a Prism

Formula: V = Bh

= lwh

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Volume of a Cylinder

Formula: V = Bh


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10.7 Volumes of Pyramids and Cones

Volume of a Pyramid

Formula: V = 1/3Bh
Volume of a Pyramid

Volume of a Cone

Formula: V = 1/3Bh = 1/3TTr2h
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