A square shaped park ABCD of side 100 m has two equal rectangular flower beds each of size 10m \(\times\) 5 m (see the figure). Length of the boundary of the remaining park is

1

(a)

360m

(b)

400 m

(c)

340 m

(d)

460 m

The perimeter of a triangle whose sides are 1.2cm, 3.4 cm and 1.7 cm, is

1

(a)

6.3 cm

(b)

6.2 m

(c)

6.5 cm

(d)

6.4 cm

The perimeter of a rectangle, whose sides are 1m 30 cm and 70 cm, is

1

(a)

20 m

(b)

4 m

(c)

0.2 m

(d)

2 m 30 cm

The side of a square is 10 cm. How many times will the new perimeter become, if the side of the square is doubled?

1

(a)

2 times

(b)

4 times

(c)

6 times

(d)

8 times

The perimeter of a square, whose each side is 1m 30cm 10 mm, is

1

(a)

5.4 m

(b)

5.14 m

(c)

5.24 m

(d)

5.04 m

The area of the figure in (sq. unit)
is

1

(a)

1

(b)

5

(c)

4

(d)

6

The amount of region enclosed by a plane closed figure is called its --------

1

(a)

area

Area of a rectangle with length 5 cm and breadth 3 cm is------

1

(a)

15 sq cm

Diagonal of a square is ------ side

1

(a)

\(\sqrt2\)

Standard unit of area is ------

1

(a)

cm² or m².

The area of a play ground is 1190 m² If its length is 35 m, the width is----

1

(a)

34m

If the side of a square is doubled, then its area becomes four times.

1

(a) False

(b) True

1 hectare = 100 \(\times\) 100 m².

1

(a) False

(b) True

Perimeter of rectangle is (l + b).

1

(a) True

(b) False

If length of a rectangle is halved and breadth is doubled, then the area of the rectangle obtained remains same.

1

(a) False

(b) True

Area of a square is doubled if the side of the square is doubled

1

(a) True

(b) False