If a transversal intersects a pair of line making alternate interior angles, then the lines are
Parallel
Perpendicular
Intersecting
None of these
Write converse of “ In Δ ABC if AB = AC then ∠ B = ∠ C.
In Δ ABC if ∠ B ≠ ∠ C then AB = AC
In Δ ABC if ∠ B + ∠ C = 180o then AB = AC
In Δ ABC if ∠ B > ∠ C then AB = AC
In Δ ABC, if ∠ B = ∠ C then AB = AC
if l || m and ∠A = 70o then ∠F =
70o
35o
140o
110o
In the below figure angle corresponding to ∠C is
∠F
∠E
∠A
∠G
In a theorem ‘ if ‘ part is called
Existential part
Uniqueness
Both (1) and (2)
In the below figure l || m then ∠x =
180o
(110 – x)o
Number of points that can be plotted on a line is
2
4
3
Infinite
A line which intersects a pair of lines at two distinct points is called
Transversal
. If ∠A : ∠B = 2 : 3 then ∠A =
72o
45o
30o
In the below figure one pair of alternate interior angle is ∠C and ∠E then the other pair is
∠C , ∠D
∠B, ∠F
∠D, ∠F
∠G, ∠H
