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11-5 Area of Triangles. HW: pg. 491 (#4,8,12,14) pg. 591 (#1,2,4,7,8) SHOW YOUR WORK!. Area of a triangle: A = bh b=base h=height. 11-5 Area of Trapezoid. HW: pg. 491 (#6 & 10) pg. 591 (#3,5,6,8) SHOW YOUR WORK!. To find area: A = h(b 1 + b 2 ). Vocabulary. - PowerPoint PPT Presentation

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Page 1: 11-5 Area of Triangles
Page 2: 11-5 Area of Triangles

Area of a triangle: A = bh b=base h=height

2

1

Page 3: 11-5 Area of Triangles
Page 4: 11-5 Area of Triangles

Trapezoid- quadrilateral with one pair of parallel sides

*has 2 bases that we call b1 and b2

*height- the distance between bases

To find area: A = h(b1 + b2) 2

1

Page 5: 11-5 Area of Triangles

b1

b2

h


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