2 years ago

Calculate the value of b.(b-15)3b°(2b + 45°Diagram not drawn accurately

Mathematics

1 answer:

e-lub [12.9K]2 years ago

7 0

Answer:

b = 30

Step-by-step explanation:

The sum of the 2 angles above the line will equal the angle below the line

3b + b - 15 = 2b + 45

4b - 15 = 2b + 45 ( subtract 2b from both sides )

2b - 15 = 45 ( add 15 to both sides )

2b = 60 ( divide both sides by 2 )

b = 30

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Calculate the value of b.(b-15)3b°(2b + 45°Diagram not drawn accurately​

Calculate the value of b.(b-15)3b°(2b + 45°Diagram not drawn accurately