Question 2 (a) Identify three triangles in the figure. (b) Write the names of seven angles. (c) Write the names of six line segments. (d) Which two triangles have ∠B as common?
Class 6 - Math - Basic Geometrical Ideas Page 81
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Line segment: The definite length between 2 points.it is the shortest distance between 2 points. A line segment has 2 end points .
Angles:
Angles are made when corners are formed.
An angle is made up of two rays starting from a common endpoint.
The two rays forming the angle are called the arms or sides of the angle.
The common endpoint is a vertex of the angle.In an angle the vertex is always written as the middle letter.
Triangles
A triangle is a 3 sided polygon.
Triangle has 3 vertices and 3 angles.
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Solution
a) ΔABD, ΔADC and ΔABC
b) ∠ABD, ∠BDA, ∠ADC, ∠DCA, ∠CAB, ∠CAD, ∠DAB
c) AB, AC , BC , BD , DC , AD
d) Δ ABD & ΔABC
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[ FIG IS IN THE ATTACHMENT]
Hope this will help you.....
Angles:
Angles are made when corners are formed.
An angle is made up of two rays starting from a common endpoint.
The two rays forming the angle are called the arms or sides of the angle.
The common endpoint is a vertex of the angle.In an angle the vertex is always written as the middle letter.
Triangles
A triangle is a 3 sided polygon.
Triangle has 3 vertices and 3 angles.
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Solution
a) ΔABD, ΔADC and ΔABC
b) ∠ABD, ∠BDA, ∠ADC, ∠DCA, ∠CAB, ∠CAD, ∠DAB
c) AB, AC , BC , BD , DC , AD
d) Δ ABD & ΔABC
-----------------------------------------------------------------------------------------------------
[ FIG IS IN THE ATTACHMENT]
Hope this will help you.....
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