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WEEK 8 LESSON 3: Finding Circumferenc 0 LEARNING TASK 1 Ma'am Rona, Reese's teacher saw Piolo and his daughter measuring the distance around the circular fish pond. She told the two that it would be easier to get the circumference by measuring first the diameter or the radius of the pond. The teacher left and Reese helped her father measure the pond. If the diameter is 4 meters and the radius is 2 meters, what is the circumference of the circular pond? 1. What is asked in the problem? 2. How would they solve for the circumference if they use the measurements of its radius and diameter?

WEEK 8 LESSON 3: Finding Circumferenc 0 LEARNING TASK 1 Ma'am Rona, Reese's teacher saw Piolo and his daughter measuring the distance around the circular fish pond. She told the two that it would be easier to get the circumference by measuring first the diameter or the radius of the pond. The teacher left and Reese helped her father measure the pond. If the diameter is 4 meters and the radius is 2 meters, what is the circumference of the circular pond? 1. What is asked in the problem? 2. How would they solve for the circumference if they use the measurements of its radius and diameter?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter10: Measurement, Area, And Volume
Section10.4: Circumference And Area Of A Circle
Problem 33E
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NAME: SECTION: MATHEMATICS 5 WEEK 8 LESSON 3: Finding Circumference of a Circle LEARNING TASK 1 Ma'am Rona, Reese's teacher saw Piolo and his daughter measuring the distance around the circular fish pond, She told the two that it would be easier to get the circumference by measuring first the diameter or the radius of the pond. The teacher left and Reese helped her father measure the pond, If the diameter is 4 meters and the radius is 2 meters, what is the circumference of the circular pond? 1. What is asked in the problem? 2. How would they solve for the circumference if they use the measurements of its radius and diameter? LEARNING TASK 2. Read and Study. Again, Circumference is the distance around the circle. And we use Example 2 these formulas to solve it: Maam Lina created an improvised rolling pin to use as : tool for her learners in TLE. Its top circular face has a radius of 1 How far does it roll in one complete turn? • C-Rx d where n is equal to 3.14 or and dis the diameter. where n is equal to 3.14 or and r is the radius. Now that we have understood the concepts of the different terms involved, let us solve for the cireumference of Reese's fish pond. Since a rolling pin's complete roll covers the distance aroum the circumference. And given the radius of 1.5 inches, we can use С-2 х пхг. Using the formula with the diameter: Solution: C- Rxd C =2x I Xr 4 m. 1.5 in. C- 3.14 x 4 C- 2x 3.14 x C= 12.56 meters C- 6.28 x 1.5 C = 9.42 inch The circumference of Reese's fish pond is 12.56 meters. Let us use the other formula and radius as the given. The rolling pin rolls 9.42 inches to make one comple Using the formula with the radius: Example 3 Let us complete this table. C- 2x Rxr eeb h 2 m. Diameter Ci C-2x 3.14 x 2 Circle Radius C- 6.28 x 2 3 m. C- 12.56 meters 15. 25 cm. Using the other formula, the circumference of Reese's fish pond is 12.56 3 meters. Solution: What can you notice on the two answers? Yes, they are the same. Given: r-3 m Given: d- 15.25 cm Given: C But why are the answers the same? Is it because one-half of 4 is 2 and. the half of the diameter is cqual to radius? r xd d-2 x r C-nx 43.96 - Example 1 d-6 m 1625 C-nxd Penelope walked across a circular garden and it is 8 feet across the center. How far will Penelope walk around the garden? r= 7.625 cm d- 14 - 3.14 x 6 m
Transcribed Image Text:NAME: SECTION: MATHEMATICS 5 WEEK 8 LESSON 3: Finding Circumference of a Circle LEARNING TASK 1 Ma'am Rona, Reese's teacher saw Piolo and his daughter measuring the distance around the circular fish pond, She told the two that it would be easier to get the circumference by measuring first the diameter or the radius of the pond. The teacher left and Reese helped her father measure the pond, If the diameter is 4 meters and the radius is 2 meters, what is the circumference of the circular pond? 1. What is asked in the problem? 2. How would they solve for the circumference if they use the measurements of its radius and diameter? LEARNING TASK 2. Read and Study. Again, Circumference is the distance around the circle. And we use Example 2 these formulas to solve it: Maam Lina created an improvised rolling pin to use as : tool for her learners in TLE. Its top circular face has a radius of 1 How far does it roll in one complete turn? • C-Rx d where n is equal to 3.14 or and dis the diameter. where n is equal to 3.14 or and r is the radius. Now that we have understood the concepts of the different terms involved, let us solve for the cireumference of Reese's fish pond. Since a rolling pin's complete roll covers the distance aroum the circumference. And given the radius of 1.5 inches, we can use С-2 х пхг. Using the formula with the diameter: Solution: C- Rxd C =2x I Xr 4 m. 1.5 in. C- 3.14 x 4 C- 2x 3.14 x C= 12.56 meters C- 6.28 x 1.5 C = 9.42 inch The circumference of Reese's fish pond is 12.56 meters. Let us use the other formula and radius as the given. The rolling pin rolls 9.42 inches to make one comple Using the formula with the radius: Example 3 Let us complete this table. C- 2x Rxr eeb h 2 m. Diameter Ci C-2x 3.14 x 2 Circle Radius C- 6.28 x 2 3 m. C- 12.56 meters 15. 25 cm. Using the other formula, the circumference of Reese's fish pond is 12.56 3 meters. Solution: What can you notice on the two answers? Yes, they are the same. Given: r-3 m Given: d- 15.25 cm Given: C But why are the answers the same? Is it because one-half of 4 is 2 and. the half of the diameter is cqual to radius? r xd d-2 x r C-nx 43.96 - Example 1 d-6 m 1625 C-nxd Penelope walked across a circular garden and it is 8 feet across the center. How far will Penelope walk around the garden? r= 7.625 cm d- 14 - 3.14 x 6 m
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