Circle Formulas Vocabulary: Circumference Radius Diameter Pi.
1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the...
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Transcript of 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the...
![Page 1: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/1.jpg)
1.4 – Rewrite Formulas and Equations
![Page 2: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/2.jpg)
1.4 – Rewrite Formulas and Equations
Example 1:
Solve the formula C = 2pir for r.
Then find the radius of a circle with a circumference of 44 inches.
![Page 3: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/3.jpg)
1.4 – Rewrite Formulas and Equations
Example 1b:
Solve the formula d= rt for t.
![Page 4: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/4.jpg)
1.4 – Rewrite Formulas and Equations
Example 2:
Solve the formula P = 2l + 2w for w.
![Page 5: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/5.jpg)
1.4 – Rewrite Formulas and Equations
Example 2b:
Solve the formula A = ½h(b1 + b2) for b2.
![Page 6: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/6.jpg)
1.4 – Rewrite Formulas and Equations
Example 3:
Solve the formula 9x – 4y = 7 for y.
![Page 7: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/7.jpg)
1.4 – Rewrite Formulas and Equations
Example 4:
Solve the formula 3 = 2xy -x for y.
![Page 8: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/8.jpg)
1.4 – Rewrite Formulas and Equations
Example 5:
Solve the formula 2y + xy = 6 for y.
![Page 9: 1.4 – Rewrite Formulas and Equations. Example 1: Solve the formula C = 2pir for r. Then find the radius of a circle with a circumference of 44 inches.](https://reader036.fdocuments.us/reader036/viewer/2022082319/56649f065503460f94c1b446/html5/thumbnails/9.jpg)
1.4 – Rewrite Formulas and Equations
Example 6:
Solve the formula 2xy – 5y = 8 for y.