Roofing notes

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Roofing notes

  1. 1. roofing November 07, 2012 Objective: Roofing c2 b2 a2 + b2 = c2 a2 rafter length = √rise2 + run2 + overhang Nov 14­5:37 PM HW wkst 1
  2. 2. roofing November 07, 2012 Oct 26­11:40 AM HW wkst 2
  3. 3. roofing November 07, 2012 Objective: Roofing  Warm Up Find the amount of crushed stone and  concrete needed for a garage that will  be 20' by 14'.  (depth of each 6") Nov 14­7:43 PM HW wkst 3
  4. 4. roofing November 07, 2012 Shed Roof A = l   d The rafter length on a shed roof is 15 feet while the length  of the roof is 18 feet.  Find the roof area. Nov 16­7:21 AM HW wkst 4
  5. 5. roofing November 07, 2012 Gable Roof A = l   d    2 A gable roof that is 30 feet long has rafters 12 feet long.   What is the area of the roof? Nov 16­7:23 AM HW wkst 5
  6. 6. roofing November 07, 2012 Gambrel Roof ­ like a barn or shed A = l   (d1 + d2)  2 The rafter lengths of the two sections  of a gambrel roof are 16 feet and 10 feet. The roof is 60 feet long. Farm scene HW wkst 6
  7. 7. roofing November 07, 2012 Equal Pitch Hip Roof Find the area of the triangular sections A = 1/2 l  d Find the area of the trapezoidal sections A = 1/2(l 1 + l2)  d The length of the eaves of an equal pitch hip roof is 25 feet; the span is 16 feet  and the ridge is 10 feet.  Find the roof area if the common rafter length is 8 feet. Nov 16­7:25 AM HW wkst 7
  8. 8. roofing November 07, 2012 Worksheet Nov 16­7:33 AM HW wkst 8
  9. 9. roofing November 07, 2012 Oct 27­11:42 AM HW wkst 9

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