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Harrizon [31]
3 years ago
12

This question is 11 points

Mathematics
2 answers:
kipiarov [429]3 years ago
8 0

Answer:

A = 60

B = 55

C = 65

Step-by-step explanation:

The sum of the angles of a triangle is 180

A + B+C = 180

x+ x-5 + 65 = 180

Combine like terms

2x+60 =180

Subtract 60 from each side

2x= 180-60

2x= 120

Divide by 2

2x/2 = 120/2

x= 60

A = 60

B = 60-5= 55

C = 65

Readme [11.4K]3 years ago
6 0

Answer:

Angle A: 60°

Angle B: 55°

Angle C: 65°

Step-by-step explanation:

180° = 65° + x + (x-5)

Subtract 65° from both sides

115° = x+(x-5)

115° = 2x-5

Add 5 to both sides

120° = 2x

Divide both sides by 2

x = 60°

Angle A: 60°

Angle B: 55°

Angle C: 65°

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