For each circle C, find the value of x. Assume that segments that appear to be tangent are. (4 pts each) 1. 2. 3. C 8 x 12 x.

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Presentation transcript:

For each circle C, find the value of x. Assume that segments that appear to be tangent are. (4 pts each) C 8 x 12 x

Area of Triangles, Squares, Rectangles, Trapezoids, & Circles Formulas

Volume Formula for Prisms & Cylinders V = Bh

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Volume of a Cylinder 7 cm 5 cm V = cm 3 Round to the nearest tenth.

You try! Find the volume. A cylinder has a radius of 5 cm and a height of 8 cm. Sketch the cylinder and label its dimensions, then find the volume. State your answer both in terms of π and as a decimal rounded to the nearest hundredth.

Try Another! A cube has a volume of 343 cubic meters. What is the length of a side of the cube? x x x

Volume Formula for Cones & Pyramids

8 ft 12 ft 10 ft Find the volume.

2 cm 3 cm What is the volume of this cone? Round to the nearest tenth. 3.6 cm

If you cut a sphere right down the middle you would create two congruent halves called HEMISPHERES. You can think of the globe. The equator cuts the earth into the northern and southern hemisphere.

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Formulas for a Sphere

8 in Surface Area of a Sphere (round to the nearest hundredths)

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2 cm Volume of a Sphere (round to the nearest hundredths)

10 cm Volume of a Sphere (round to the nearest hundredths)

25 in The circumference of a great circle of a sphere is 25 inches. Find the volume of the sphere. (Round to the nearest hundredths.)

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Homework Practice Worksheet #29 find volume only