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Warm-up 8.3 and 8.4 Area word problems AND using Apothem

Warm-up 8.3 and 8.4 Area word problems AND using Apothem. H.W. pg 430,431 #1-15 all. Student of the day! Block 1. Student of the day! Block 3. 8.3 Area word problems.

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Warm-up 8.3 and 8.4 Area word problems AND using Apothem

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  1. Warm-up8.3 and 8.4 Area word problems AND using Apothem

  2. H.W. pg 430,431 #1-15 all

  3. Student of the day!Block 1

  4. Student of the day!Block 3

  5. 8.3 Area word problems 1.Tammy is estimating how much she should charge for painting 148 rooms in a new motel with one coat of base paint and one coat of finishing paint. The four walls and the ceiling of each room must be painted. Each room measures 14 ft by 16 ft by 10 ft high. a. Calculate the total area of all the surfaces to be painted with each coat. Ignore doors and windows. b. One gallon of base paint covers 500 square feet. One gallon of finishing paint covers 250 square feet. How many gallons of each will Tammy need for the job

  6. 8.4 Using the Apothem The areas of regular polygons can be found by dividing them into congruent triangles surrounding the center.

  7. Practice1) Each side of the regular pentagon is 11.9 cm and the apothem is about 8.2 cm. Area _________ 2) The shaded portion of the regular octagon represents a redwood deck that is to be stained. The apothem is about 14.5 ft. Shaded area » _________

  8. 8.1 to 8.4 Review sheet Answers • 2.1 cm22) 798 m23) 26.88 cm 4) 108 m2 5) 42 m 6) ft or ft. 7) 69 ft. 8) 1,824 cm2 9) Side length = 10.5 in. Area = 252 in210) Regular polygons are made up of n number congruent triangles. The apothem is the height of the triangle and side length is the base. Quiz 4.1 to 4.4 will be next class. H.W. pg 443 #1-8 Bring scissors to next block for an investigation!

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