LESSON Area of Quadrilaterals Reteach You can use formulas to find the areas of quadrilaterals. The area A of a parallelogram is the product A = bh of its base b and its height h. = 3.7 A = bh = 21 cm? The area of a trapezoid is half its height multiplied by the sum of the lengths of its two bases. A = 2 h(b, + b2) A = h(b, + b2) 6(5 + 9) 1 = 2 . 6(14) = 3• 14 = 42 m? The area of a rhombus is half of the product of its two diagonals. A = 2 d;d2 A = 2 d,d2 Ź (5)(8) = 20 in? Find the area of each figure. 1. 12 m 10 ft 8 m 6 ft 3. 2m - 4 yd 6 yd 5m 9 m E 1/2 2. 1/2
LESSON Area of Quadrilaterals Reteach You can use formulas to find the areas of quadrilaterals. The area A of a parallelogram is the product A = bh of its base b and its height h. = 3.7 A = bh = 21 cm? The area of a trapezoid is half its height multiplied by the sum of the lengths of its two bases. A = 2 h(b, + b2) A = h(b, + b2) 6(5 + 9) 1 = 2 . 6(14) = 3• 14 = 42 m? The area of a rhombus is half of the product of its two diagonals. A = 2 d;d2 A = 2 d,d2 Ź (5)(8) = 20 in? Find the area of each figure. 1. 12 m 10 ft 8 m 6 ft 3. 2m - 4 yd 6 yd 5m 9 m E 1/2 2. 1/2
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Transcribed Image Text:LESSON
Area of Quadrilaterals
Reteach
You can use formulas to find the areas of
quadrilaterals.
The area A of a parallelogram is the product A = bh
of its base b and its height h.
= 3.7
A = bh
= 21 cm?
The area of a trapezoid is half its height
multiplied by the sum of the lengths of its
two bases.
A = 2 h(b, + bz)
A =
h(b, + b2)
• 6(5 + 9)
1
= 2 . 6(14)
= 3• 14
= 42 m?
The area of a rhombus is half of the product of
its two diagonals.
A = 2 d;d2
A = 2 d,d2
Ź (5)(8)
= 20 in?
Find the area of each figure.
1.
12 m
2.
10 ft
8 m
6ft
6 ft
3.
2m
- 4 yd
6 yd
5m
9m
E
-/2
-/2
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