AP State Syllabus AP Board 6th Class Maths Solutions Chapter 9 2D-3D Shapes Ex 9.1 Textbook Questions and Answers.

## AP State Syllabus 6th Class Maths Solutions 9th Lesson 2D-3D Shapes Ex 9.1

Question 1.

What is the name of four sided polygon? Draw the rough sketch.

Solution:

A four sided polygon is called a quadrilateral.

ABCD is a quadrilateral.

Question 2.

Draw a rough sketch of pentagon.

Solution:

A five sided polygon is called a pentagon.

So, pentagon has five sided figure.

ABCDE is a pentagon.

Question 3.

Write all the sides of the given polygon ABCDEF.

Solution:

Given polygon ABCDEF is a Hexagon.

Its six sides are \(\overline{\mathrm{AB}}, \overline{\mathrm{BC}}, \overline{\mathrm{CD}}, \overline{\mathrm{DE}}, \overline{\mathrm{EF}} \text { and } \overline{\mathrm{FA}}\)

So, it is called a Hexagon.

Question 4.

Write the interior angles of the polygon PQRST.

Solution:

Given the polygon PQRST has five sides.

So, it is called a Pentagon.

It has five interior angles.

They are ∠TPQ, ∠PQR, ∠QRS, ∠RST and ∠STP.

They can also be written as ∠P, ∠Q, ∠R, ∠S, ∠T.

Question 5.

Measure the length of the sides of the polygon PQRST.

Solution:

The given polygon has five sides.

They are \(\overline{\mathrm{PQ}}\) = 2cm; \(\overline{\mathrm{QR}}\) = 2.5 cm;

\(\overline{\mathrm{RS}}\) .= 2.4 cm; \(\overline{\mathrm{ST}}\) = 2.2 cm, \(\overline{\mathrm{PT}}\) = 2.5 cm

It’s a pentagon.