imyourdolly01
imyourdolly01 imyourdolly01
  • 12-02-2021
  • Mathematics
contestada

50 points!! I will mark brainliest to the correct answer :) please don’t put random answers... they will be reported. Thanks!

50 points I will mark brainliest to the correct answer please dont put random answers they will be reported Thanks class=
50 points I will mark brainliest to the correct answer please dont put random answers they will be reported Thanks class=

Respuesta :

kritika3375
kritika3375 kritika3375
  • 12-02-2021

Step-by-step explanation:

Answer for the first question.

since the triangles are congruent so angles and sides are also congruent I.e. sides and angles are equal then,

3x - 3 = 12

3x = 12 + 3

3x = 15

x = 5

55° = 7x + y

55° = 7 * 5 + y

35° + y = 55°

y = 55° - 35°

y = 20°

Answer for the second question,

x + 70° = 2x - 2° {Exterior angle of a triangle is equal to the sum of two opposite interior angles }

2x - x = 70° + 2°

x = 72°

Now

<WXY = 2x - 2°

= 2 * 72° - 2

= 142 °

Hope it will help :)❤✔

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