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Solved Examples
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ccc ED || AB; Find mEDC. [Given x = 70 and y = 60] ccc View Solution
ccc If line l || line m and b = 120, then find the value of y. ccc View Solution
ccc A line is parallel to its image under reflection by a mirror. The angle at which the line is inclined to the mirror is ccc View Solution
ccc Six parallel lines are intersected by two lines. How many triangles can be formed?
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ccc 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? ccc View Solution
ccc How many lines parallel to a given line can be drawn through a given point out side the line?
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ccc If two lines are perpendicular to the same line in a plane, then the lines are
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ccc How many lines perpendicular to a given line can be drawn through a given point outside the line? ccc View Solution
ccc In a plane, if two lines are parallel to a third line, then they are
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ccc Are parallel lines useful in finding angle measures in triangles? ccc View Solution
ccc ABCD is a trapezoid. Find the value of x. ccc View Solution
ccc What is mADE, if DE¯ || BC¯? ccc View Solution
ccc ED || AB; Find mEDC. [Given x = 75 and y = 65] ccc View Solution
ccc ABCD is a parallelogram. Find mDAB. ccc View Solution
ccc If line l || line m and b = 110, then find the value of y. ccc View Solution
ccc Two plane mirrors r and s are parallel to each other. If mABK = 30, then find mDCB. ccc View Solution
ccc What is the most appropriate description for the figure ABCD if A = B ?
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ccc What is the most appropriate name for the figure ABCD if B = D and AB = BC? ccc View Solution
ccc How many perpendicular lines can be drawn from a fixed point to 5 lines which are parallel to each other?
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ccc 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? ccc View Solution
ccc Choose the line which is inclined to 4y + 7x + 13 = 0.  ccc View Solution
ccc Are BA¯ and CE¯ parallel?
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ccc 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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ccc If AB¯ || CD¯, PR¯ || QS¯, mCQP = x and mSQD = y, then find mEPR. ccc View Solution
ccc Which theorem would you use to show that a || b?
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ccc Which theorem can you use to prove that l is parallel to m? ccc View Solution