Question

a square paper sheet has it length as 102/3 cm. calculate its perimeter.​

Answer 1

Answer:

A) Perimeter of a rectangle =2(l+b)

=2(12.5+10

3

2

)

=2(

2

25

+

3

32

)

=

63

2×(75+64)

=

3

139

cm

B) (i) Perimeter of ΔABC=A+B+C

=

2

5

+

4

3

+3

5

3

=

20

50

+

20

55

+

20

72

=

20

177

cm

(ii) Perimeter of rectangle BCDE=2(l+b)

=(2

4

3

+

6

7

)

=

2

11

+

3

7

=

6

33+14

=

6

47

cm

As

20

177

>8 &

6

47

<8

Perimeter of triangle is greater