Question

the angles of a triangle are in x°, (2x + 5)° and (3x -5)°. Find the largest angle.​

Answer 1

Answer:

X+2x+5+3x-5=180. (ASP)

6x=180

X=30

ang. 1 =30⁰

2=65⁰

3=85⁰

largest is 85⁰

Step-by-step explanation:

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Answer 2

Answer:

∠C = (3x - 5)° = 85°

Step-by-step explanation:

Angle A = x°, Angle B = (2x+5)°, Angle  = (3x-5)°

Angle sum property of triangle = 180°

∠A +∠B + ∠C = 180°

x + (2x + 5) + (3x - 5) = 180°

x + 2x + 5 + 3x - 5 = 180°

6x = 180°

x = 180/6

x = 30

∠A = x° = 30°

∠B = (2x +5)° = (2*30 + 5)° = 65°

∠C = (3x - 5)° = (3*30 - 5)° = 85°