Question 11 Mark
In the given figure, AB is a straight line and OD ⊥ AB. Observe the figure and fill in the following blanks :
∠BOE is …………. of ∠EOA.
∠BOE is …………. of ∠EOA.
Answer
View full question & answer→∠BOE is a supplement of ∠EOA.
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18 questions · timed · auto-graded
Question 21 Mark
In the given figure, AB is a straight line and OD ⊥ AB. Observe the figure and fill in the following blanks :
∠AOC is ………… of ∠COD.
∠AOC is ………… of ∠COD.
Answer
View full question & answer→∠AOC is the complement of ∠COD.
Question 31 Mark
In the given figure, AB is a straight line and OD ⊥ AB. Observe the figure and fill in the following blanks :
∠AOC and ∠COB are ……….. angles.
∠AOC and ∠COB are ……….. angles.
Answer
View full question & answer→∠AOC and ∠COB are supplementary angles.
Question 41 Mark
In the given figure, AB is a straight line and OD ⊥ AB. Observe the figure and fill in the following blanks :
∠AOC and ∠COE form a pair of ……….. angles.
∠AOC and ∠COE form a pair of ……….. angles.
Answer
View full question & answer→∠AOC and ∠COE form a pair of adjacent angles.
Question 51 Mark
If two lines are cut by a transversal such that a pair of corresponding angles are not equal, then the lines are ………..
Answer
View full question & answer→If two lines are cut by a transversal such that a pair of corresponding angles are not equal, then the lines are not parallel.
Question 61 Mark
Alternate interior angles are on the ………… side of the transversal.
Answer
View full question & answer→Alternate interior angles are on the opposite side of the transversal.
Question 71 Mark
Corresponding angles are on the ……….. side of the transversal.
Answer
View full question & answer→Corresponding angles are the same side of the transversal.
Question 81 Mark
Alternate interior angles have one common …………
Answer
View full question & answer→Alternate interior angles have one common arm.
Question 91 Mark
Two lines in a plane which never meet are called ……….
Answer
View full question & answer→Two lines in a plane which never meet are called parallel lines.
Question 101 Mark
If two lines intersect and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are ……..
Answer
View full question & answer→If two lines intersect and if one pair of vertically opposite angles are acute angles, then the other pair of vertically opposite angles are obtuse angles.
Question 111 Mark
Angles formed by two intersecting lines having no common arms are called ………..
Answer
View full question & answer→Angles formed by two intersecting lines having no common arms are called vertically opposite angles.
Question 121 Mark
Adjacent angles have a common vertex, a common ……….. and no common ………
Answer
View full question & answer→Adjacent angles have a common vertex, a common arm, and no common interior points.
Question 131 Mark
Angles of a linear pair are as well as ………..
Answer
View full question & answer→Angles of a linear pair are adjacent as well as supplementary.
Question 141 Mark
If two adjacent angles are supplementary, then they form a ………..
Answer
View full question & answer→If two adjacent angles are supplementary, then they form a linear pair.
Question 151 Mark
Two angles forming a linear pair are ……….
Answer
View full question & answer→Two angles forming a linear pair are supplementary.
Question 161 Mark
Supplement of an obtuse angle is ……….
Answer
View full question & answer→Supplement of an obtuse angle is an acute angle.
Question 171 Mark
If two angles are supplementary, then the sum of their measures is …………
Answer
View full question & answer→If two angles are supplementary, then the sum of their measures is 180°.
Question 181 Mark
If two angles are complementary, then the sum of their measures is ………..
Answer
View full question & answer→If two angles are complementary, then the sum of their measures is 90°.