Page 123 - Revised Maths Wisdom Class - 3

Geometry 121

6 How many diagonals does a rectangle have?
(a) 2 (b) 3 (c) 4

II. FILL IN THE BLANKS

1 A circle has _________ corner.

2 A square has _________ sides.

3 A cylinder has _________ faces.

4 A cube has _________ corners and _________ straight edges.
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5 The line dividing a fi gure into two equal halves is called the line of _________.

III. MATCH THE FOLLOWING
(a) (b) (c) (d) (e)

(i) Cuboid (ii) Cube (iii) Cylinder (iv) Sphere (v) Cone

IV. CASE-STUDY

Girdhar and Nanika love to look at the patt ern of bricks. They also want to know how
bricks are made. With their parent they visited to a kiln where bricks are made. The price

of bricks given for one thousand bricks. The prices were also diff erent for diff erent types
of bricks.

Following are the cost of diff erent types of bricks.

Rectangular Construction Soil Brick ` 6000 for one thousand pieces

Fly Ash brick ` 8000 for one thousand pieces

Sparkling Slate Blue Cladding Brick ` 24000 for one thousand pieces

Concrete Solid Aerocon Brick ` 90000 for one thousand pieces