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Dafna1 [17]
3 years ago
14

A regular polygon has possible angles of rotational symmetry of 20°, 40°, and 80°. How many sides does the polygon have?

Mathematics
1 answer:
natima [27]3 years ago
3 0
This polygon will have 18 sides.
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Nata [24]
The graph is stretch/shrunk by a factor of a. The Domain is h=
4 0
2 years ago
The flagpole in Terry's schoolyard is 42 ft tall. On a sunny day, the flagpole casts a shadow 20 ft long. What is the angle of e
kirill [66]

Answer:

64.5°

Step-by-step explanation:

angle of elevation is the angle from the point where the shadow ends. this create a right angle triangle. using tan, you can find the angle.

tan theta = opposite/adjacent

angle = tan^-1(42/20)

angle = 64.5°

4 0
3 years ago
A soccer field is a rectangle 100 meters wide and 130 meters long. The coach asks players run from one corner to the other corne
velikii [3]

Answer:

164.0123 meters

Step-by-step explanation:

√(130^2 + 100^2)

the diagonal of rectangle is the hypotenus

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2 years ago
Can anyone help me?
aev [14]

Answer:

1:C

2:B

3:7 across 10 down

2 across 9 down

Step-by-step explanation:

5 0
3 years ago
Can someone tell me how do I solve this. how is the result 2.40
liubo4ka [24]

Step-by-step explanation:

<u>Properties used</u>

  • logₐ a = 1
  • log aᵇ = b log a
  • log ab = log a + log b

See the steps below

  • - log (4*10⁻³) =
  • - (log 4 + log 10⁻³) =        (log 4 ≈ 0.6 rounded)
  • - (0.6 - 3*log 10) =
  • - (0.6 - 3*1) =
  • - (0.6 - 3) =
  • - (- 2.4) =
  • 2.4
6 0
2 years ago
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