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Objective - To use formulas to solve problems.

Learn how to use algebraic equations to solve various problems, including finding areas, forces, and interests with practical formulas. Enhance your understanding of perimeter and area calculations for different shapes.

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Objective - To use formulas to solve problems.

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  1. Objective - To use formulas to solve problems. Formula - An algebraic equation that describes a relationship between two or more variables.

  2. Find the area of the circle below using the formula r = 4 in.

  3. Use the formula F = ma to find the force, F, exerted by a mass, m, of 12 kg accelerating at 5 m/s . 2

  4. Use the formula, , to change the temperature of 59 Fahrenheit to Celsius.

  5. Mark borrows $500 from the bank at 6% simple annual interest for 4 years. Use the formula, I = Prt, to find what interest he owes. Interest

  6. Perimeter and Area Formulas Figure Perimeter Area Square s P = 4s s Rectangle w P = 2l + 2w l Parallelogram

  7. a h b Perimeter and Area Formulas Figure Perimeter Area Square s P = 4s s Rectangle w P = 2l + 2w l a P = 2a + 2b h Parallelogram b Triangle

  8. a h b Perimeter and Area Formulas Figure Perimeter Area Square s P = 4s s Rectangle w P = 2l + 2w l a P = 2a + 2b h Parallelogram b Triangle

  9. a h b Perimeter and Area Formulas Figure Perimeter Area Square s P = 4s s Rectangle w P = 2l + 2w l a P = 2a + 2b h Parallelogram b c Triangle P = a + b + c

  10. Use formulas to find the perimeter and area of the figure below. 1) 6 in. 5 in. 7 in. Perimeter Area P = 2a + 2b P = 2(6) + 2(7) P = 12 + 14 P = 26 inches

  11. Use formulas to find the perimeter and area of the figure below. 2) 5 cm 6 cm 3 cm 9 cm Perimeter Area P = a + b + c P = 5 + 6 + 9 P = 20 cm

  12. Find the area of the trapezoid given the formula . 8 m 1) 5 m 7 m 6 m

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