Question

EXERCISE 7.2
(a) 8 cm
(a) 30 cm
is
1. Choose the correct option:
(1) Area of square whose side is 4 cm is:
(b) 16 cm (c) 16 cm (d) none of these.
(ii) Area of square of 1.5 cm side is :
(b) 2.25cm
(c) 22.5 cm (d) none of these
(1) If the length and breadth of a rectangle are 7 cm and 4 cm respectively, then its area
(a) 14 cm (b) 22 cm
(c) 28 cm (d) none of these
(iv) Area of a rectangle is 600 cm", If its breadth is 20 cm then the length of the
rectangle is:
(a) 60 cm
(b) 30 cm (c) 50 cm (d) none of these
(V) If the length and the breadth of a rectangle are 1 m and 50 cm, respectively then its
(b) 50 m
(c) 5000 cm?
(d) none of these
area is
(a) 500 cm​

Answer 1

1.)

(i.) 16cm

(ii.) 2.25 cm

(iii.) 28cm

(iv.) 30cm

(v.) 5000cm [1m = 100cm]

{100×50cm}

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