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Darina [25.2K]
3 years ago
15

Find m< AFE and include working out.

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
3 0

Answer:

∠ AFE = 80°

Step-by-step explanation:

Since BD is a straight line , then

∠ AFB + ∠ AFE + ∠ EFD = 180°, that is

50° + ∠ AFE + 50° = 180°

100° + ∠ AFE = 180° ( subtract 100° from both sides )

∠ AFE = 80°

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In an indoor soccer stadium, there are 20 seats in the first row and 31 seats in the second row. Every
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<h3>________________________________________________</h3>

Step-by-step Solution for Part-a:

<u>We know that:</u>

  • Row-1: 20 seats
  • Row-2: 20 + 11
  • Row-x: 20 + (11x - 11)

Since the number of rows in rows x is 20 + (11x - 11), the formula to calculate the number of seats in each row is 20 + (11x - 11).

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Step-by-step Solution for Part-b:

<u>We know that:</u>

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<u>Solution:</u>

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Hence, the row which has 174 seats is row 15.

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