pg. 445 15-20
http://cdn.virtuallearningcourses.com/ivtcontent/images/7-2%20Similar%20Polygons.pdf
PLEASE ANSWER!! I HAVE A DEADLINE AND IM SO TERRIBLE AT GEOMETRY!
just go the url and scroll down to pg. 445
I'll chose a best answer really soon!
http://cdn.virtuallearningcourses.com/ivtcontent/images/7-2%20Similar%20Polygons.pdf
PLEASE ANSWER!! I HAVE A DEADLINE AND IM SO TERRIBLE AT GEOMETRY!
just go the url and scroll down to pg. 445
I'll chose a best answer really soon!
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15.) The ratio of the longer sides is 12:9. The ratio of the shorter sides is 10:8. Since 4:3 ≠ 5:4, the figures are not similar.
16.) The ratio of the longer sides is 24:18. The ratio of the shorter sides is 15:14. Since 4:3 ≠ 15:14, the figures are not similar.
17.) Similar figures have angles of the same measure. Since the figures have different angle measurements, the figures are not similar.
18.) The corresponding sides are 5:10, x:8, and y:6. Since we know the figures are similar, the ratios of the sides are equal. That means x:8 = y:6 = 5:10. Since 5:10 = 1:2. We can rewrite the ratios as x:8, y:6, and 1:2. We can multiply the 1:2 ratio by 4 to get 4:8. That means 4:8 = x:8. We can deduce from this that x=4. We can multiply the 1:2 ratio by 3 to get 3:6. That means 3:6 = y:6. We can deduce from this that y=3.
19.) The corresponding sides are 9:6, 12:x, z:3.5, and y:6. Since we know the figures are similar, the ratios of the sides are equal. That means 9:6 = y:6 = 12:x = z:3.5. Since 9:6 = y:6. We can deduce that y=6. We can then write the proportions:
9/6 = 12/x
and
z/3.5 = 9/6
to solve for x and z.
9/6 = 12/x
9x = 12(6)
9x = 72
x = 8
z/3.5 = 9/6
6z = 9(3.5)
6z = 31.5
z = 5.25
x = 8, y = 6, and z = 5.25
20.) If you rotate the smaller figure to look like the larger one, you can figure out that y:37 = x:25.5 = 15:30. Since 15:30 can reduce to 1:2, we can rewrite the ratios as 1:2 = y:37 = x:25.5. We can write the proportions:
1/2 = y/37
and
1/2 = x/25.5
to solve for x and y.
1/2 = y/37
2y = 37(1)
2y = 37
y = 18.5
1/2 = x/25.5
2x = 25.5(1)
2x = 25.5
x = 12.75
x = 12.75 and y = 18.5.
16.) The ratio of the longer sides is 24:18. The ratio of the shorter sides is 15:14. Since 4:3 ≠ 15:14, the figures are not similar.
17.) Similar figures have angles of the same measure. Since the figures have different angle measurements, the figures are not similar.
18.) The corresponding sides are 5:10, x:8, and y:6. Since we know the figures are similar, the ratios of the sides are equal. That means x:8 = y:6 = 5:10. Since 5:10 = 1:2. We can rewrite the ratios as x:8, y:6, and 1:2. We can multiply the 1:2 ratio by 4 to get 4:8. That means 4:8 = x:8. We can deduce from this that x=4. We can multiply the 1:2 ratio by 3 to get 3:6. That means 3:6 = y:6. We can deduce from this that y=3.
19.) The corresponding sides are 9:6, 12:x, z:3.5, and y:6. Since we know the figures are similar, the ratios of the sides are equal. That means 9:6 = y:6 = 12:x = z:3.5. Since 9:6 = y:6. We can deduce that y=6. We can then write the proportions:
9/6 = 12/x
and
z/3.5 = 9/6
to solve for x and z.
9/6 = 12/x
9x = 12(6)
9x = 72
x = 8
z/3.5 = 9/6
6z = 9(3.5)
6z = 31.5
z = 5.25
x = 8, y = 6, and z = 5.25
20.) If you rotate the smaller figure to look like the larger one, you can figure out that y:37 = x:25.5 = 15:30. Since 15:30 can reduce to 1:2, we can rewrite the ratios as 1:2 = y:37 = x:25.5. We can write the proportions:
1/2 = y/37
and
1/2 = x/25.5
to solve for x and y.
1/2 = y/37
2y = 37(1)
2y = 37
y = 18.5
1/2 = x/25.5
2x = 25.5(1)
2x = 25.5
x = 12.75
x = 12.75 and y = 18.5.
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The url is unavailable the first time I tried, the second time it said windows cannot find http://cdn.virtuallearningcourses.com/iv…
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here is your homework done
http://img269.imageshack.us/img269/4823/…
http://img269.imageshack.us/img269/4823/…
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i want the 10 points but i am scared of spam. if you can find a way of posting the question