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Chapter 3: Q8. (page 111)

In the diagram above,r鈭�s.

Linesa,b andc are coplanar a鈭�band a鈯�c. What can you conclude? Explain.

Short Answer

Expert verified

We can conclude thatb鈯�c.

Step by step solution

01

Step 1. Description of step.

The lines that lie on the same plane are called coplanar lines.

02

Step 2. Description of step.

Parallel lines are the lines in a plane that do not intersect each other at any point.

Perpendicular lines are the lines that intersect each other at right angles.

03

Step 3. Description of step.

As per the given information, linesa,b andc are lie on the same plane,a鈭�b anda鈯�b then by property of parallel lines,b must be perpendicular to c.

Therefore, b鈯�c.

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