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
i. 2d figure
iv. rectangular, base
v, regular tetrahedron
ix. proportion to lenght /equal measure
x. trianglar prism
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
a. 6 squares
b. 2 triangle and 3 rectangle
c. 4 triangle
d. 2 circle and 1 rectangle
Vertical , Horizontal
a. circle , circle
b. square, square
c. rectangle, circle
d. triangle, rectangle
8. a, c
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