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Answer :

Answer:

1.

y=40

x=14

2.

a=10

b=37

3.

u=62

v=59

4.

s=9

t=14

hope this helps.

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Mhanifago

Answer:

Properties of a parallelogram

  • Opposite sides and opposite angles are congruent
  • Adjacent angles are supplementary (sum to 180°)
  • Diagonals bisect each other

#1

  • 17 = x + 3 ⇒ x = 17 - 3 ⇒ x = 14
  • y - 2 = 38 ⇒ y = 38 + 2 ⇒ y = 40

#2

  • a + 5 = 15 ⇒ a = 15 - 5 ⇒ a = 10
  • 3b = 111° ⇒ b = 111°/3 ⇒ b = 37°

#3

  • 2u = 124° ⇒ u = 124°/2 ⇒ u = 62°
  • 124° + v - 3 = 180° ⇒ v + 121° = 180 ⇒ v = 180° - 121° ⇒ v = 59°

#4

  • t + 5 = 19 ⇒ t = 19 - 5 ⇒ t = 14
  • 3s = 27 ⇒ s = 27/3 ⇒ s = 9

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