Can i PLEASE get some help on math!!
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Can i PLEASE get some help on math!!

[From: ] [author: ] [Date: 12-04-25] [Hit: ]
² and 50 in.².19. Find the area of the regular polygon. Give the answer to the nearest tenth.1,......
17. Two trapezoids have areas of 432 cm2and 48 cm2. Find their ratio of similarity.

3 : 1
9 : 1
1 : 3
1 : 9

18. Find the similarity ratio and the ratio of perimeters for two regular octagons with areas of 18 in.² and 50 in.².

3 : 5; 3 : 5
9 : 25; 3 : 5
3 : 5; 9 : 25
9 : 25; 9 : 25

19. Find the area of the regular polygon. Give the answer to the nearest tenth.

dodecagon with a perimeter of 108 cm

1,813.8 cm2
906.9 cm2
923.6 cm2
938.9 cm2

20. Find the area of the regular polygon. Give the answer to the nearest tenth.

pentagon with a side of 7 ft

16.9 ft2
84.3 ft2
67.4 ft2
168.6 ft2

21. Find the area of the regular polygon. Give the answer to the nearest tenth.

hexagon with a side of 10 in.

519.6 in.2
52 in.2
15 in.2
259.8 in.2

-
17.
ratio of similarity = ratio of area

432/ 48

9/1 = 9:1.

18.
simi ratio = 18/50

= 9/25 = 9 : 25

perimeter ratio = 15.74/25.74 = approx = 3: 5


19. 906.9 sq cm


20. 84.3 sq ft


21. 259.8 sq in
1
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