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Varvara68 [4.7K]
3 years ago
6

Please HELP❗️40 points

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
4 0

Answer:

<h3>Q1</h3>
  • This is acute angle since 75° < 90°
<h3>Q2</h3>
  • This is an isosceles triangle
<h3>Q3</h3>

<u>Exterior angle is the sum of non-adjacent interior angles:</u>

  • 4x + 7 + 6x - 9 = 118
  • 10x - 2 = 118
  • 10x = 120
  • x = 12

m∠L = 4*12 + 7 = 48 + 7 = 55°

<h3>Q4</h3>

<u>The triangles are congruent and corresponding sides are equal:</u>

  • 3x - 5 = 2x + 1
  • 3x - 2x = 1 + 5
  • x = 6

<u>Side lengths are:</u>

  • 3*6 - 5 = 13
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