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Effects on Area Changing Dimensions

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Last updated almost 2 years ago
17 questions
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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

57.13 cm
37.13 cm
47.13 cm
67.13 cm
65units
30 units
25 units
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
9 yd²
22 yd²
18 yd²
Find the area of the green figure.

40 x (7/5)²
76.5 m²
82.8 m²
78.4 m²
86.5 m²
Find the value of x.



Solve for x.
45 cm
35 cm
18 cm
30 cm
Find the value of x.



Solve for x.
20 in
10 in
60 in
40 in
Find the area of the green figure.


27 mm²
9 mm²
54 mm²
81 mm²
Find the area of the green figure.
540 ft²
120 ft²
240 ft²
80 ft²
Find the area of the green figure.
151.25 in²
185.25 in²
161.25 in²
175.25 in²
Find the area of the green figure.
652 cm²
672 cm²
584 cm²
602 cm²
Can a regular octagon have an area of 10 units²
No
Yes
Find the perimeter of a regular hexagon that has an area of 54 3 units².
50 unites squared
46.3 units squared
30 units squared
36 units squared
Find the area of the trapezoid.
78 cm²
19 cm²
80 cm²
39 cm²
Find the area of the kite.
33 cm²
266 cm²
133 cm²
Find the area of the kite.
.12 m²
1 m²
1.1 m²
.24 m²
Find the area of the shaded sector.
490.9 mm²
32.7 mm²
20.5 mm²
490.8 mm²
Find the perimeter of the trapezoid.
62 cm
115.5 cm²
55 cm
55 cm²