bruhlol12301230no2 bruhlol12301230no2

01-07-2020
Mathematics

contestada

Can I have some help please? Thanks!

Can I have some help please Thanks class=

Respuesta :

01-07-2020

Answer:

m∠A = 166°

Step-by-step explanation:

∠B and ∠A are corresponding angles because the two lines are congruent. Therefore:

7x + 40 = 3x + 112

Subtract 3x from both sides:

4x + 40 = 112

Subtract 40 from both sides:

4x = 72

Divide both sides by 4:

x = 18

Plug this in for ∠A:

∠A = 7 (18) + 40

m∠A = 166°

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