CH 9 ANGLES- MATH WORKSHET –JOURNEY THROUGH MATH
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Ch # 9 Angles CHOODE THE BEST ANSWER |
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Pg 12o |
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1.
The two line segments or two
rays are called _______ of an angle. (a) Rays
(b) arms (c) degree (d) scale |
Arms |
Pg 120 |
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2.
A _______ has two scales . (a) Three
(b) one (c) two (d) five
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Two |
Pg 120 |
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3.
To measure the angles between 0
to 360, we use ______. (a) Ruler (b) protractor (c) symmetry (d) none |
Protractor |
Pg 121 |
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4.
The numbers on protractor
represent _________. (a) Scales (b) division (c) shapes
(d) degrees |
Degrees |
Pg 121 |
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5.
An angle whose measure is
_______ is called a right angle. (a) 180 (b) 120
(c) 360 (d) 90 |
90 |
Pg 121 |
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6.
An angle of 360 degree is
called a _______ angle. (a) Complete
angle (b) acute angle (c) reflex angle
(d) none |
Complete angle |
Pg 122 |
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7.
Two angles which have a common
arm are called _______. (a) Opposite
angles (b) acute angles (c) adjacent angles (d) adjacent angles. |
Adjacent angles |
Pg 123 |
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8.
For a pair of complementary
angles, each angle of the pair is an ________ angle. (a) Obtuse
angle (b) reflex angle (c) acute angle (d) complete angle |
Acute angle |
Pg 124 |
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9.
To draw a reflex angle, first
subtract it from ______. (a) 360 (b) 180
(c) 90 (d) 120 |
360 |
Pg 126 |
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10.
The supplement angle of 94
degree is __________. (a) 86 (b) 120
(c) 180 (d ) 45 |
86 |
Pg 127 |
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Ch # 9 Angles FILL IN THE BLANKS |
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Pg 12o |
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1.
The two line segments or two
rays are called _______. |
Arms |
Pg 120 |
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2.
A _______ has two scales . |
Two |
Pg 120 |
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3.
To measure the angles between 0
to 360, we use ______. |
Protractor |
Pg 121 |
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4.
The numbers on protractor
represent _________. |
Degrees |
Pg 121 |
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5.
An angle whose measure is
_______ is called a right angle. |
90 |
Pg 121 |
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6.
An angle of 360 degree is
called a _______ angle. |
Complete angle |
Pg 122 |
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7.
Two angles which have a common
arm are called _______. |
Adjacent angles |
Pg 123 |
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8.
For a pair of complementary
angles, each angle of the pair is an ________ angle. |
Acute angle |
Pg 124 |
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9.
To draw a reflex angle, first
subtract it from ______. |
360 |
Pg 126 |
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10.
The supplement angle of 94
degree is __________. |
86 |
Pg 127 |
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Ch
9 WRITE
TRUE OR FALSE |
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When
two rays of a line segment meet at appoint an angle is formed. |
True |
Pg
120 |
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Angles
are measured in metres |
False |
Pg
121 |
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Outer
circle of a protector is marked from left to right that is clockwise. |
True |
Pg
121 |
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The
numbers on both sides of a scale in a protector represent degrees |
True |
Pg
121 |
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Depending
on their size angles are divided into different types. |
True |
Pg
122 |
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And
a cute angle is measured to 90 degrees. |
False |
Pg
122 |
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An
angle whose measure is 360 degree is called a straight angle. |
False |
Pg
124 |
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Straight
angle is equal to the sum of two right angles. |
True |
Pg
123 |
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An
angle whose measure is greater than 180 but less than 360 is called a reflex
angle. |
True |
Pg
123 |
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The
angle formed at the centre of a circle is a complete angle. |
True |
Pg
124 |
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Ch 9 MATCH THE COLUMN |
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1.
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Angle |
Two scales |
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2.
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Protector |
Degree |
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3.
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Straight line |
You need to measure angle |
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4.
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Degree |
180 |
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5.
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Straight angle |
Joining 0 to 180 |
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6.
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Rotation of a Ray OA |
Adjacent angles |
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7.
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Two angles with the common arm |
Complete angle |
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8.
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Sum of two angles is 180° |
Complementary angles |
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9.
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Sum of two angles is 90 degree |
Supplementary angles |
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10.
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60 and 30 |
Complementary angles |