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Maths CBSE Live product
Class 7 (2025-26)
A Tale of Three Intersecting lines
PT3 Revision II - A Tale of three intersecting lines
11.
Construct the triangle using the given information
Question:
5
m.
Construct triangles for the following measurements where the angle is included between the sides:
\(5 \ cm, 135°, 6.4 \ cm\)
Construction:
Step - 1:
Draw a base line segment BC = 6.4 cm.
Draw a base line segment AC = 6.4 cm.
Draw a base line segment BC = 5 cm.
Step - 2:
Using a protractor, construct ∠C = 135° by drawing the other arm of the angle.
Using a protractor, construct ∠B = 135° by drawing the other arm of the angle.
Using a protractor, construct ∠A = 135° by drawing the other arm of the angle.
Step - 3:
Mark a point A on the other arm such that AB = 5 cm.
Mark a point A on the other arm such that AB = 6.4 cm.
Mark a point B on the other arm such that AB = 5 cm.
Step - 4:
Now, join BC to get the required triangle.
Now, join AC to get the required triangle.
Now, join AB to get the required triangle.
Thus, \(ABC\)
is the required triangle
.
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