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forsale [732]
2 years ago
14

Helppppppp plzzzzzzz

Mathematics
2 answers:
EleoNora [17]2 years ago
8 0

Answer:

angle 5 = 102

Step-by-step explanation:

angle 2 = angle 6 { they are corresponding angles }

and then angle 6 and angle 5 = 180

78 + angle 5 = 180

angle 5 = 180-78

angle 5 = 102

chubhunter [2.5K]2 years ago
5 0

Answer:

102°

Step-by-step explanation:

Angles in a straight line is added up to 180°

So,

Angle 1 + Angle 2 = 180°

Given that,

Angle 2 = 78°

We can find angle 1

Let us find,

Let the angle 1 be x

x+78=180\\x=180-78\\x=102

As a and b lines are parallel,

Angle 1 = Angle 5 (Corresponding angles)

Also we already found the angle 1

So,

Angle 5 = 102°

Hope this helps you.

Let me know if you have any other questions :-)

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