In this page we have *Visualising solid shapes Important Questions for Class 7 Maths Chapter 15* . Hope you like them and do not forget to like , social share
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Fill in the blanks:-

i. Plane figure is also called_________________

ii. A solid shape that has only a curved surface is called a ________________

iii. A _______________ is a solid who bases are identical polygon faces and other faces are rectangles.

iv. A pyramid is a solid whose base is a flat __________________ figure and whose side faces are triangles having a common vertex outside the surface of the ______________

v. A triangular pyramid in which all faces are equal is called ______________________

vi. A ________________ of a solid figure demonstrates how it is constructed by showing its sides, faces and vertices.

vii. To make a solid from a sheet of flat paper, we need to construct a ______________

viii. A line where two faces of a solid meet is called its ___________

ix. The term isometric refers to _________________________________

x. The below figure is the net of _____________

xi. A triangular prism has __________ faces, __________ edges and __________ vertices.

xii. A triangular pyramid has __________ faces, __________ edges and __________vertices.

What is Leonhard Euler’s rule?

Label the net.

Draw the net of a cube. Put the numbers 1 to 6 on the faces so that the numbers on opposite faces add to 7.

Name the different plane shape needed to draw the net of

a. a cube

b. a triangular prism

c. a triangular pyramid

d. a cylinder

The cross-section of diagonal cut of a cube creates which shape?

What cross-section would you get when you give a

a) Vertical cut

b) Horizontal cut to the following objects

i. a basket ball

ii. a dice

iiii. An unsharpened pencil

vi. A triangular prism

Which of these two figure can be the net for tetrahedron

True and false

a. A pyramid has only one vertex

b. If the base of a pyramid is a square, it is called a square pyramid.

c. The solid shapes are of two-dimensional.

d. A net is a skeleton-outline of a solid that can be folded to make it.

e. All the faces, except the base of a square pyramid are triangular.

3. A sketch whre the measurements kept proportional

6. A pyramid with triangle base

7. the line segments of the skeleton of solid shape

1. solid shapes are three-______

2. flat surfaces of solid shapes

4. it is the useful way to see how three-dimensional objects can be viewed in two dimensions

5. The corners of a solid shape

1.

i. 2d figure

ii. sphere

iii. Prsim

iv. rectangular, base

v, regular tetrahedron

vi. net

vii. net

viii. edge

ix. proportion to lenght /equal measure

x. trianglar prism

xi. 5,9,6

xii 4,6,4

2. $ F + V = E + 2$

Where F,V,E denote number of faces, number of vertices and number of edges respectively of such solids. This is known as ‘EULER’s FORMULA

3. Square pyramid

4.

5.

a. 6 squares

b. 2 triangle and 3 rectangle

c. 4 triangle

d. 2 circle and 1 rectangle

6. square

7.

Vertical , Horizontal

a. circle , circle

b. square, square

c. rectangle, circle

d. triangle, rectangle

8. a, c

9.

a. false

b. true

c. false

d. true

e. true

10.

i. dimensional

ii. faces

iii.isometric

iv. Shadows

v. vertices

vi. tetrahedron

vii. edges

**Worksheets**

Given below are the links of some of the reference books for class 7 math.

- Science for Class 7 by Lakhmir Singh
- Science Foundation Course For JEE/NEET/NSO/Olympiad - Class 7
- CBSE All In One Science Class 7 by Arihant Experts (Author)
- IIT Foundation Physics, Chemistry & Maths for Class 7

You can use above books for extra knowledge and practicing different questions.

Class 7 Maths Class 7 Science

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