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Maths CBSE Live product
Class 7
A Tale of Three Intersecting lines
Designing with angles
6.
TBQ - Construct the triangle using the given information
Question:
4
m.
Construct triangles for the following measurements where the angle is included between the sides:
\(3 \ cm, 120°, 8 \ cm\)
Construction:
Step - 1:
Draw a base line segment BC = 3 cm.
Draw a base line segment AC = 8 cm.
Draw a base line segment BC = 8 cm.
Step - 2:
Using a protractor, construct ∠A = 120° by drawing the other arm of the angle.
Using a protractor, construct ∠B = 120° by drawing the other arm of the angle.
Using a protractor, construct ∠C = 120° by drawing the other arm of the angle.
Step - 3:
Mark a point A on the other arm such that AC = 3 cm.
Mark a point A on the other arm such that AB = 8 cm.
Mark a point B on the other arm such that AB = 3 cm.
Step - 4:
Now, join AC to get the required triangle.
Now, join AB to get the required triangle.
Now, join BC to get the required triangle.
Thus, \(ABC\)
is the required triangle
.
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