AP State Syllabus AP Board 6th Class Maths Solutions Chapter 9 2D-3D Shapes Ex 9.4 Textbook Questions and Answers.

## AP State Syllabus 6th Class Maths Solutions 9th Lesson 2D-3D Shapes Ex 9.4

Question 1.

Write the shapes of the following.

(i) A brick (ii) A road roller (iii) Foot ball (iv) Joker cap

Solution:

i) Shape of a brick is cuboid.

ii) Shape of a road roller is cylinder.

iii) Shape of a foot ball is shpere.

iv) Shape of a joker cap is cone.

Question 2.

Fill in the blanks.

(i) The shape of heap of grain

(ii) The shape of a dice

(iii) The shape of a bubble

(iv) The shape of a candle

Solution:

i) Cone ii) Cube iii) Sphere

Question 3.

Match the following.

Solution:

Question 4.

Fill in the table.

Shape | No.of faces | No. of vertices | No. of edges |

Cube | |||

Triangular prism | |||

Square pyramid | |||

Cuboid |

Verify Euler’s Formula for the data in the table.

We know that, the F + V = E + 2is Eulerâ€™s formula.

In the above table given shapes satisfy the Euler’s formula.