BO is included between c
O A. AB
A. AB and AC
B. BC and AC
O C. ZA and 2B
O D. ZB and 20

Answer is given below with explanations.

Step-by-step explanation:

The correct answer is option d

BC is included between the angle B and C

Hence the answer is option d

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the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180

5y

step-by-step explanation: