2 years ago

1. Find the value of x. 55° (4x - 5)° O 26 O

Mathematics

1 answer:

Paha777 [63]2 years ago

7 0

Answer:

Step-by-step explanation:

The sum of angles in a triangle is 180 degrees, use this and set up an equation;

x + ( 4x -5 ) + 55 = 180

Simplify

x + ( 4x - 5 ) + 55 = 180

5x + 50 = 180

Inverse operations;

5x + 50 = 180

-50 - 50

5x = 130

/5 /5

x = 26

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