9 6 review
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9-6 Review. Give an example of something that has four planes of symmetry. Give an example of a geometric figure that has only one plane of symmetry. Quote of the Day.

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9-6 Review

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9 6 review

9-6 Review

Give an example of something that has four planes of symmetry.

Give an example of a geometric figure that has only one plane of symmetry.


Quote of the day

Quote of the Day

" People who lack confidence won't take risks. People without goals won't accomplish their dreams. That's why, if you believe in yourself, you can accomplish anything you set your mind to."


9 7 viewing solids and surfaces

9-7 VIEWING SOLIDS AND SURFACES


Warm up

WARM-UP

Sketch what you would see if you were looking down on the object from the top.

  • Television

  • Merry-go-round

  • Couch

  • Ferris wheel

    5. Basketball


Views or elevations

Views or elevations

Who uses them??

Architects use them to help clients visualize the building being constructed.

L, R, F, & B views


Practice

Practice:

1. Draw the top view of a cylinder.

2. Draw a side view of a cone.

3. Draw the top view of a box.

4. Draw the top view of a square pyramid.


Building example p 532

Here are three views of a prefabricated storage building made up of sections in the shape of congruent boxes.

How many stories tall is the building?

How many sections long is the building?

Where is the tallest part of the building?

Building example P. 532


What things do we change from 3 d to 2 d

What things do we change from 3-d to 2-d?

  • Art

  • Architecture

  • Maps

  • CAD

  • Engineering

  • Movies

  • Photographs


Building plans activity

Building Plans Activity

GOALS:

To draw cubes using isometric paper

To construct a building using the base, front, and right views

To draw the constructed building using isometric paper

To develop better spatial sense using cubes


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