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Effects on Area Changing Dimensions

Last updated almost 2 years ago

10 questions

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10

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Perimeter of first triangle times the scale factor to give the perimeter of the new triangle. 

8 + 12 + 9 = 29 The perimeter of the first triangle is 29. 

Now the scale factor is 13 divided by 8.

So the first perimeter 29 times the scale factor 13/8

29x13/8

47.13 cm

37.13 cm

57.13 cm

67.13 cm

25 units

30 units

65units

40 units

Find the area of the green figure. 

Area of the first triangle times the scale factor sqaured. 

36 x (4/8)²

12 yd²

18 yd²

22 yd²

9 yd²

Find the area of the green figure.

40 x (7/5)²

76.5 m²

82.8 m²

86.5 m²

78.4 m²

Find the value of x. 

Solve for x.

35 cm

18 cm

45 cm

30 cm

Find the value of x.

Solve for x.

10 in 

40 in

60 in

20 in

Find the area of the green figure.

9 mm²

27 mm²

81 mm²

54 mm²

Find the area of the green figure.

120 ft²

540 ft²

80 ft²

240 ft²

Find the area of the green figure.

185.25 in²

161.25 in²

151.25 in²

175.25 in²

Find the area of the green figure.

672 cm²

602 cm²

584 cm²

652 cm²