Chapter 6 – Lines and Angles
5. In given figure, BA || ED and BC || EF. Show that ∠ABC = ∠DEF. [Hint: Produce DE to intersect BC at P (say)].
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Jun
5. In given figure, BA || ED and BC || EF. Show that ∠ABC = ∠DEF. [Hint: Produce DE to intersect BC at P (say)]. 5. In given figure BA || ED and BC || EF. Show that ∠ABC = ∠DEF. [Hint: Produce DE to intersect BC at P (say)]. June 30, 2021 Category: Chapter [...]
4. If in the given figure, bisectors AP and BQ of the alternate interior angles are parallel, then show that l || m.
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Jun
4. If in the given figure, bisectors AP and BQ of the alternate interior angles are parallel, then show that l || m. 4. If in the given figure bisectors AP and BQ of the alternate interior angles are parallel then show that l || m. June 30, 2021 Category: Chapter 6 - Lines and [...]
3. AP and BQ are the bisectors of the two alternate interior angles formed by the intersection of a transversal t with parallel lines l and m (in the given figure). Show that AP || BQ.
30
Jun
3. AP and BQ are the bisectors of the two alternate interior angles formed by the intersection of a transversal t with parallel lines l and m (in the given figure). Show that AP || BQ. 3. AP and BQ are the bisectors of the two alternate interior angles formed by the intersection of a [...]
2. In the given figure, ∠1 = 60° and ∠6 = 120°. Show that the lines m and n are parallel.
30
Jun
2. In the given figure, ∠1 = 60° and ∠6 = 120°. Show that the lines m and n are parallel. ∠1 = 60° and ∠6 = 120°. Show that the lines m and n are parallel. 2. In the given figure June 30, 2021 Category: Chapter 6 - Lines and Angles , Maths , [...]
1. In the given figure, OD is the bisector of ∠AOC, OE is the bisector of ∠BOC and OD ⊥ OE. Show that the points A, O and B are collinear.
29
Jun
1. In the given figure, OD is the bisector of ∠AOC, OE is the bisector of ∠BOC and OD ⊥ OE. Show that the points A, O and B are collinear. 1. In the given figure O and B are collinear. OD is the bisector of ∠AOC OE is the bisector of ∠BOC and OD [...]
10. Two lines l and m are perpendicular to the same line n. Are l and m perpendicular to each other? Give reason for your answer.
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Jun
10. Two lines l and m are perpendicular to the same line n. Are l and m perpendicular to each other? Give reason for your answer. 10. Two lines l and m are perpendicular to the same line n. Are l and m perpendicular to each other? Give reason for your answer. June 29, 2021 [...]
9. In the given figure, which of the two lines are parallel and why?
29
Jun
9. In the given figure, which of the two lines are parallel and why? 9. In the given figure which of the two lines are parallel and why? June 29, 2021 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 ,
8. If one of the angles formed by two intersecting lines is a right angle, what can you say about the other three angles? Give reason for your answer.
29
Jun
8. If one of the angles formed by two intersecting lines is a right angle, what can you say about the other three angles? Give reason for your answer. 8. If one of the angles formed by two intersecting lines is a right angle what can you say about the other three angles? Give reason [...]
7. Two adjacent angles are equal. Is it necessary that each of these angles will be a right angle? Justify your answer.
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Jun
7. Two adjacent angles are equal. Is it necessary that each of these angles will be a right angle? Justify your answer. 7. Two adjacent angles are equal. Is it necessary that each of these angles will be a right angle? Justify your answer. June 29, 2021 Category: Chapter 6 - Lines and Angles , [...]
6. In the given figure, find the value of x for which the lines l and m are parallel.
29
Jun
6. In the given figure, find the value of x for which the lines l and m are parallel. 6. In the given figure find the value of x for which the lines l and m are parallel. June 29, 2021 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 ,