Question

Find the breath of recrangle whose length is30cm and permeter is200cm

Answer 1

Answer:

70cm

Step-by-step explanation:

Perimeter of a rectangle = 2(l+b)

200=2(30+b)

100=30+b

b=70cm

Answer 2

Hello my dear friend..........

GIVEN:

length of rectangle = 30 cm

length of rectangle = 30 cm

perimeter of rectangle = 200 cm

TO FIND :

TO FIND : breadth of the rectangle .

let the length and breadth of the rectangle be l and b respectively .

let the length and breadth of the rectangle be l and b respectively .we know that perimeter of rectangle = 2(l+b)

let the length and breadth of the rectangle be l and b respectively .we know that perimeter of rectangle = 2(l+b)

so, the perimeter of the rectangle = 2(30 cm + b) = 2 × 30 cm + 2b cm

so, the perimeter of the rectangle = 2(30 cm + b) = 2 × 30 cm + 2b cm = 60 cm + 2b cm = 200 cm

let's find the value breath

60 cm + 2b cm = 200 cm

60 cm + 2b cm = 200 cm=> 2b = 200 cm - 60 cm

60 cm + 2b cm = 200 cm=> 2b = 200 cm - 60 cm=> 2b = 140 cm

60 cm + 2b cm = 200 cm=> 2b = 200 cm - 60 cm=> 2b = 140 cm=> b = 140/2 cm

60 cm + 2b cm = 200 cm=> 2b = 200 cm - 60 cm=> 2b = 140 cm=> b = 140/2 cm=> b = 70 cm

Hence, breadth of the rectangle is = 70 cm

ANSWER : 70 CM

I hope it will helps you!

#please mark me as brainliest #

##please follow me plz ........##