These NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.4 Questions and Answers are prepared by our highly skilled subject experts.

## NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.4

Question 1.

Draw a rough sketch of a triangle ABC. Mark a point P in its interior and a point Q in its exterior. Is the point A in its exterior or in its interior?

Answer:

A is neither interior of the figure nor exter ior of triangle. It is a vertex.

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?

Answer:

(a) The three triangles are: ΔABC, ΔABD, ΔADC

(b) Angles are: ∠ADB, ∠ADC, ∠ABD, ∠ACD, ∠BAD, ∠CAD, ∠BAC

(c) Line segments are: \(\begin{equation}

\overline{\mathrm{AB}}, \overline{\mathrm{AC}}, \overline{\mathrm{AD}}, \overline{\mathrm{BD}}, \overline{\mathrm{DC}}, \overline{\mathrm{BC}}

\end{equation}\)

(d) Triangles having common ∠B: ΔABC, ΔABD.