Question

vi) The area of a rectangle whose sides measure 10 cm and 12 cm is
a) 22 cm2
b) 12 cm2
c) 120 cm2
d) 60 cm2
vii) If the base of a triangle is halved and its height is doubled, then the area of the resulting
triangle
a) increases
b) decreases
c) doubles
d) remains same
viii) If one side of a parallelogram whose perimeter is 42 cm is 12 cm, the measure of its
adjacent side is
m2
a) 7 cm
b) 8 cm
c) 9 cm
d) none of these
ix) The area of circular track whose inner and outer radius is 5 cm and 4 cm is
a) 411
b) 25
c) 16 T
d) 9
x) If the circumference of a circle is 31.4 cm, then its radius is
a) 12 cm
b) 10 cm
c) 5 cm
d) none of these​

Answer 1

Answer:

(i) answer is option c

(ii) answer is option d

(iii) answer is option c

(IV)answer is option

Answer 2

Answer:

1-C

2-D

3-C

4-B

5-Dont know