The perimeter of a rectangle is 230cm and length of a rectangle is 70cm find area and breadth

Breadth=45 cm and Area = 3150

Step-by-step explanation:

Length= 70 cm and breadth =?

Perimeter=2(l+b)

or,230=2(70+b)

or,230=140+2b

or,230-140=2b

or,90/2=b

or,b=45cm

Breadth=45cm and Length=70cm

Area=l×b

=70×45

=3150cm^2

the least common denominator is 40

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign