Quiz Review11-1 to 11-3

Match each with the correct formula. (Hint: One answer is used twice)

1. ___ rectangle2. ___ rhombus3. ___ triangle4. ___ square5. ___ trapezoid6. ___ parallelogram

A. + )

BCA

B

ED

Find the area of each.

7. A rectangle with a base 12 m and height 6 m.

8. A parallelogram with base and height .

9. A triangle with base 12 cm and height 6 cm.

72

36

𝐴 = 𝑏ℎ 𝐴 = (12)(6)

𝐴 = 𝑏ℎ 𝐴 = ()()

𝐴=12h𝑏

𝐴=12(12)(6)

𝐴=12(72)

10. A square with perimeter 60 in. 11. A trapezoid with bases 7 ft and 13 ft and height 6 ft. 12. A rhombus with diagonals 10 mm and 12 mm.

225

60

60

𝐴=𝑠2

𝐴=152

+ )

+ )

)

𝐴=12(120)

𝐴=12𝑑1

𝑑2

𝐴=12(10)(12)

𝐴=12(120)

13. An isosceles triangle with legs 13 and 13 and base 24. 14. Parallelogram ABCD with mA = 60° and AD = 40 and DC = 60.

60

A

B C

D60

40

60

60

60

𝐴=12(24)(5)1313

24

13

12

5

𝐴=12h𝑏

5

30

30

30 30

𝐴 = 𝑏ℎ 𝐴 = (40)(30)

𝐴 = 1

15. An equilateral triangle with perimeter 60 ft. 16. A square with diagonal 4.

20 20

206060

60

60

30

20

10

10

𝐴=12h𝑏

)

)

𝐴=100 √3 𝑓𝑡 2

𝐴=42

𝐴=16𝑢𝑛𝑖𝑡𝑠24

4

4

10

45°

Find the missing value. 17. The area of a parallelogram is 40 and the base is 8 cm, find the height.

18. The area of a trapezoid is 20 and the height is 5 in and one of the bases is 3 in, find the other base.

𝐴 = 𝑏ℎ40 = 8ℎ 5 = ℎ

= 5 cm

+ )

+ )+

= 5 in

+ )

19. Find the area of the trapezoid to the right.

20. Find the area of the irregular figure to the right.

4

4 4

4816

+ )

+ )

𝐴=48𝑢𝑛𝑖𝑡𝑠2

4

18

8

8

𝐴 = 𝑏ℎ 𝐴 = (6)(3) 𝐴 = 18

𝐴 = 𝑏ℎ 𝐴 = (8)(1) 𝐴 = 8

𝐴 = 𝑏ℎ 𝐴 = (4)(2) 𝐴 = 8

18+8+8=¿ 34