3 years ago

Is the first one correct and what are the ages? Thanks

Mathematics

1 answer:

Fantom [35]3 years ago

8 0

Answer:

a = 30°

Step-by-step explanation:

We need to find the value of a.

We know that, a straight line makes an angle of 180°.

In this case,

a+3a+2a = 180

6a = 180

a = 30°

So, the value of a is equal to 30°.

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