Ch # 10
TRIANGLES MATH WORKSHEETS
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Ch # 10 TRIANGLES |
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Pg 128 |
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1.
A ______ is a simple closed
figure. |
Polygon |
Pg 128 |
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2.
A polygon is named according to
the number of _____ in it. |
Sides |
Pg 128 |
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3.
A _____ is a closed figure with
three lines. |
Triangle |
Pg 129 |
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4.
A triangle with all three sides
equal is called ______ triangle. |
Equilateral |
Pg 129 |
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5.
We can classify triangles with
respect to ______ and with respect to ________. |
Sides and angles |
Pg 129 |
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6.
In a triangle, sum of angles is
always _______. |
180 |
Pg 130 |
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7.
In a triangle, the sum of the
lengths of any two sides is always ______ than the length of third side. |
Greater |
Pg 130 |
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8.
A triangle with an obtuse angle
is called __________. |
Obtuse angled |
Pg 131 |
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9.
We can construct a triangle
using ______, and _______. |
Protractor and ruler |
Pg 135 |
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10.
In a triangle we can find a
______ angle if two angles are given. |
Third |
Pg135 |
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Ch
10. |
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A
polygon is a simple open figure made up of infinite lines. |
False
|
Pg
128 |
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A
Quadrilateral with three line is called a triangle. |
true |
Pg
128 |
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A
Polygon is named recording to the number of angles present in it |
False
|
Pg
128 |
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A
quadrilateral with four sides includes squares and rectangles. |
false |
Pg
129 |
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A
hexagon has seven sides |
False |
Pg
129 |
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Triangles
are classified based on the length of their sides and measure of their angles |
True |
Pg
129 |
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A
triangle in which all three sides are not equal is called an equilateral
triangle |
False |
Pg
129 |
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In
a triangle the sum of all three angles is always 190 degree |
False |
Pg
131 |
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A
triangle in which one of the angle is a right angle is called right angled
triangle. |
True |
Pg
131 |
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We
can construct a triangle using a ruler and protector. |
True |
Pg
133 |
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Ch 10 MATCH THE COLUMN COL A |
COL B |
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Hexagon |
A triangle with two equal sides |
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Isosceles triangle |
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Equilateral triangle |
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Quadrilateral |
Greater than third side |
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Acute angled triangle |
180 |
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Heptagon |
Right angle |
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Sum of angles is |
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Sum of lengths of two sides |
polygon |
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90 degree |
A triangle with all sides equal. |
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Closed figure |
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Ch # 10 TRIANGLES |
|
Pg 128 |
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11.
A ______ is a simple closed
figure. (a) Triangle (b) rhombus (c) polygon (d) none |
Polygon |
Pg 128 |
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12.
A polygon is named according to
the number of _____ in it. (a) Angles (b) vertices (c) sides
(d) shapes |
Sides |
Pg 128 |
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13.
A _____ is a closed figure with
three lines. (a) Polygon (b) rectangle (c) triangle (d) kite |
Triangle |
Pg 129 |
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14.
A triangle with all three sides
equal is called ______ triangle. (a) Isosceles
triangle (b) equilateral (c) scalene
(d) acute |
Equilateral |
Pg 129 |
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15.
We can classify triangles with
respect to ______ and with respect to ________. (a) Sides
and shapes (b) sides and angles (c) angles and shapes (d) none of above |
Sides and angles |
Pg 129 |
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16.
In a triangle, sum of angles is
always _______. (a) 120 (b) 160
(c) 360 (d) 180 |
180 |
Pg 130 |
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17.
In a triangle, the sum of the
lengths of any two sides is always ______ than the length of third side. (a) Smaller (b) greater (c) equal
(d) none |
Greater |
Pg 130 |
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18.
A triangle with an obtuse angle
is called __________. (a) Obtuse
angled triangle (b) reflex angled (c) acute angled triangle (d) none |
Obtuse angled |
Pg 131 |
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19.
We can construct a triangle
using ______, and _______. (a) Protractor
and ruler (b) hand and ruler (c) book and notebook (d) none |
Protractor and ruler |
Pg 135 |
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20.
In a triangle we can find a
______ angle if two angles are given. (a) Third (b) second
(c) first (d) fourth |
Third |
Pg135 |