Question

if the perimeter of rectangle is 390 cm and the length of is 30 cm find the breadth also and the area​

Answer 1

Step-by-step explanation:

2(30+x)=390

60x+2x=360

2x=360-60

2x=300

x=150

area.

(150)(30)=450

no need to mark

30 thanks

Answer 2

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Perimeter of rectangle=130cm

⇒2(length+breadth)=130cm

⇒2(length+30)=130

⇒ length+30=

2

130

⇒ length+30=65

⇒ length=65−30=35cm

Now area of rectangle=length×breadth=35×30=1050cm

2

Thus, the area of rectangle is 1050cm

2

.