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Area: Parallelograms

Area: Parallelograms. PRE-ALGEBRA LESSON 10-1. It takes 126 ft of fence to enclose a field that is twice as long as it is wide. What is the area of the field?. 882 ft 2. 10-1. Area: Parallelograms. PRE-ALGEBRA LESSON 10-1. (For help, go to Lesson 3-4.).

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Area: Parallelograms

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  1. Area: Parallelograms PRE-ALGEBRA LESSON 10-1 It takes 126 ft of fence to enclose a field that is twice as long as it is wide. What is the area of the field? 882 ft2 10-1

  2. Area: Parallelograms PRE-ALGEBRA LESSON 10-1 (For help, go to Lesson 3-4.) Use A = w and find the third value. 1.A = 54 in.2, w = 6 in. 2. = 35 m, w = 7 m 3.A = 25 cm2, = 2.5 cm 4. = 7.2 ft, w = 7.2 ft Check Skills You’ll Need 10-1

  3. Area: Parallelograms PRE-ALGEBRA LESSON 10-1 Solutions 1.A = w2.A = w 54 = 6 A = 35 • 7 = 9 in. A = 245 m2 3.A = w4.A = w 25 = 2.5wA = 7.2 • 7.2 w = 10 cm A = 51.84 ft2 10-1

  4. Area: Parallelograms PRE-ALGEBRA LESSON 10-1 Find the area of the rectangle. Step 1Change the units so that they are the same. 150 cm = 1.5 m Change 150 centimeters to meters. Step 2 Find the area. A = bhUse the formula for area of a rectangle. = (4)(1.5) Replace b and h with the dimensions 4 and 1.5. = 6 Simplify. The area of the rectangle is 6 m2. Quick Check 10-1

  5. A = bharea formula A = bh = (8)(2) Substitute. = (2.5)(6) = 16 Simplify. = 15 Area: Parallelograms PRE-ALGEBRA LESSON 10-1 Find the area of each parallelogram. a. b. The area is 16 m2. The area is 15 in.2. Quick Check 10-1

  6. Area: Parallelograms PRE-ALGEBRA LESSON 10-1 Find each area. 1. rectangle ABFE 2. parallelogram ACFD 3. a rectangle with a base of 50 cm and a height of 5 cm 40 cm2 48 cm2 250 cm2 10-1

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