Get step by step solution of RS Aggarwal and Veena Aggarwal Class 9 Chapter 7 Exercise 7C Solution.
RS Aggarwal and Veena Aggarwal Class 9 Maths Ex. 7C Solution
1: In the given figure, l ∥ m and a transversal t cuts them. If ∠1 = 1200, find the measure of each of the remaining marked angle.
2: In the given figure, l ∥ m and a transversal t cuts them. If ∠7 = 800, find the measure of each the remaining marked angles.
3: in the given figure, l ∥ m and a transversal t cuts them. If ∠1 : ∠2 = 2:3, find the measure of each of the marked angle.
4: For what value of x will the lines l and m be parallel to each other?
5: for what value of x will the lines l and m be parallel to each other?
6: In the given figure, AB ∥ CD and BC∥ ED. Find the value of x.
7: In the given figure, AB ∥ CD∥ EF. Find the value of x.
8: In the given figure, AB ∥ CD. Find the value of x, y and z.
9: In each of the figures given below, AB∥ CD. Find the value of x in each case.
10: In the given figure, AB ∥ CD. Find the value of x.
11: 8: In the given figure, AB ∥ PQ. Find the value of x, and y.
12: In the given figure, AB ∥ CD. Find the value of x.
13: In the given figure, AB ∥ CD. Find the value of x.
14: In the given figure, AB ∥ CD. Find the value of x, y and z.
15: In the given figure, AB ∥ CD. Prove that ∠BAE – ∠ECD = ∠AEC
16: In the given figure, AB ∥ CD. Prove that p+q – r = 180
17: In the given figure AB∥ CD and EF∥ GH. Find the value of x, y and z.
18: In the given figure, AB∥ CD and a transversal t cuts them at E and F respectively. If EG and FG are the bisectors of ∠BEF and ∠EFD respectively, prove that ∠EGF =900.
19: In the given figure, AB ∥ CD and a transversal t cuts them at E and F respectively. If FP and EQ are the bisectors of ∠AEF and ∠EFD respectively, prove that EP ∥ FQ.
20: In the given figure, BA∥ ED and BC ∥ EF. Show that ∠ABC =∠DEF.
21: In the given figure, BA ∥ ED and BC ∥ EF. Show that ∠ABC+∠DEF = 1800.
22: In the given figure, m and n are two plane mirrors perpendiculars to each other. Show that the incident ray CA is parallel to the reflected ray BD.
23: Inn the figure given below, state which lines are parallel and why?
24: Two lines are respectively perpendicular to two parallel lines. Show that they are parallel to each other.
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