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Line A makes an angle of 30 degrees with the line B, also line C makes an angle of 30 degrees at the other end with line B on the opposite side. Then, ______.
In the figure below, the angle a = 150°. The other angle in the figure which is also 150° is:
Correct Answer : c
Explanation : Angle d is corresponding angle to a
so , if a = 150^{o}
then d is also equal to 150^{o}
If a transversal intersects two parallel lines, then each pair of corresponding angles is ………
In the figure, PQ  MN, the value of x will be
The figure below shows a parallelogram. What is the measure of ∠b?
In the figure if l║m, n║p and ∠1 = 85°, then ∠2 is equal to
In the given figure, PQRS and EFQS. If ∠PQS = 60°, then the measure of ∠RFE is:
60°+ QSR=180°[co interior angles]
QSR=120°
RFE=QSR
So,RFE=120°
In the above figure AB  CD. Also, ∠EAB = 84° and ∠ECD = 126°. Then, the value of “x” is
Observe the given figure and choose the correct statement
In the figure, AB║CD. If ∠2 = (2x + 30)°, ∠4 = (x + 2y)° and ∠6 = (3y+10)° the measure of ∠5 is
In fig., if mn and ∠a : ∠b = 2 : 3, the measure of ∠h is
In the figure, AB  CD and ∠F = 30° the value of ∠ECD is
If two parallel lines are intersected by a transversal then, pair of alternate interior angles are:
In the adjoining figure, ABCD is a parallelogram in which ∠A = 72°. Calculate ∠B, ∠C and ∠D.
ABCD is a parallelogram and ∠ A = 72°
We know that opposite angles of a parallelogram are equal
∴ ∠A = ∠C and ∠B = ∠D
∴ ∠C = 72°
∠A and ∠B are adjacent angles
i.e., ∠A + ∠B = 180°
⇒ ∠B = 180° – ∠A
⇒∠B = 180° – 72° = 108°
∠B = ∠D =108°
Hence, ∠B = ∠D = 108° and ∠C = 72°
Two parallel lines l and m are such that A, C are the points on l and B, D are the points on m. AB and CD are perpendicular to both l and m. If AB = 4 cm, then CD =
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