Lesson 8-1 Find Surface of Three -Dimension Figures

the formula for the area of a circle with radius r

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Tags

CCSS.7.G.B.4

the area of the rectangle.

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the circumference C of a circle with radius r is twice the product of π and r.

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Tags

CCSS.7.G.B.4

the surface area S.A. of our cylinder. When doing so, keep in mind that the cylinder has two circular bases, not just one.

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is a three-dimensional figure with two parallel circular bases that are the same size.

• cylinder

• Sphere

• Rectangle

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

The sides of most three-dimensional figures we know are polygons or circles

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• NO

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Surface Area of a cone Formula

• is the area which covers the outer surface of a sphere.

• Area of the circular base + Aria of the curved surface

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Surface Area of a cone Formula

• is the area which covers the outer surface of a sphere.

• Area of the circular base + Aria of the curved surface

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