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Solved Examples
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f   ED || AB; Find mEDC. [Given x = 70 and y = 60]   f View Solution
f   If line l || line m and b = 120, then find the value of y.   f View Solution
f   A line is parallel to its image under reflection by a mirror. The angle at which the line is inclined to the mirror is   f View Solution
f   Six parallel lines are intersected by two lines. How many triangles can be formed?
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f   There are 9 parallel lines. The distance between the first 5 consecutive lines is 2 cm each, that between the next lines is 3 cm each. What is the distance between the first and the ninth line in cm?   f View Solution
f   How many lines parallel to a given line can be drawn through a given point out side the line?
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f   If two lines are perpendicular to the same line in a plane, then the lines are
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f   How many lines perpendicular to a given line can be drawn through a given point outside the line?   f View Solution
f   In a plane, if two lines are parallel to a third line, then they are
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f   Are parallel lines useful in finding angle measures in triangles?   f View Solution
f   ABCD is a trapezoid. Find the value of x.   f View Solution
f   What is mADE, if DE¯ || BC¯?   f View Solution
f   ED || AB; Find mEDC. [Given x = 75 and y = 65]   f View Solution
f   ABCD is a parallelogram. Find mDAB.   f View Solution
f   If line l || line m and b = 110, then find the value of y.   f View Solution
f   Two plane mirrors r and s are parallel to each other. If mABK = 30, then find mDCB.   f View Solution
f   What is the most appropriate description for the figure ABCD if A = B ?
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f   What is the most appropriate name for the figure ABCD if B = D and AB = BC?   f View Solution
f   How many perpendicular lines can be drawn from a fixed point to 5 lines which are parallel to each other?
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f   Two right triangles are placed such that one of its legs is horizontal. How many pairs of parallel sides can be there for these triangles?   f View Solution
f   Choose the line which is inclined to 4y + 7x + 13 = 0.    f View Solution
f   Are BA¯ and CE¯ parallel?
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f   Identify the correct statement / statements.
1. Lines lying on different planes can be parallel.
2. Parallel lines have only one point of intersection.
3. Parallel lines have same slope.
4. Parallel lines have many ponts of intersection.
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f   If AB¯ || CD¯, PR¯ || QS¯, mCQP = x and mSQD = y, then find mEPR.   f View Solution
f   Which theorem would you use to show that a || b?
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f   Which theorem can you use to prove that l is parallel to m?   f View Solution