Question

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construct an isosceles triangle in which the length of each of its equal side is 5.5 cm and the angle between them is 120 degree draw the bisector of the obtuse angle so formed..​

Answer 1

Constructing an isosceles triangle and drawing an angle bisector to the obtuse angle between the equal sides:

• Draw a line segment AB = 5.5 cm.
• Draw a ray AX from A making an angle 120.
• With a radius of 5.5 cm and center A draw an arc on ray AX.
• Mark this point as C.
• Join AC and BC.
• ABC is required triangle.
• From point A and suitable radius, draw arcs on AB and AC.
• From these arcs, draw two more arcs with same radius such that they cut each other at a certain point say D.
• Join A and D.
• AD is the angle bisector of obtuse angle of the triangle.

Answer 2

Answer:

Constructing an isosceles triangle and drawing an angle bisector to the obtuse angle between the equal sides:

Step-by-step explanation:

Draw a line segment AB = 5.5 cm.

Draw a ray AX from A making an angle 120.

With a radius of 5.5 cm and center A draw an arc on ray AX.

Mark this point as C.

Join AC and BC.

ABC is required triangle.

From point A and suitable radius, draw arcs on AB and AC.

From these arcs, draw two more arcs with same radius such that they cut each other at a certain point say D.

Join A and D.

AD is the angle bisector of obtuse angle of the triangle.