Question

solve the question in formula​

Answer 1

Answer..

Perimeter = 2(l+b)

140+2b=230

2b=230-140

b=90÷2

b=45

Area=l×b=70×45=1350

Answer 2

Step-by-step explanation:

Perimeter of rectangle =l×b

230=70×b

230/70=b

b=230/70

b=23/7

Thank you