Question

a =
what is answer
yes A=l+b​

Answer 1

Answer:

We have, S=

2

n

(a+l)⇒

a+l

2S

=n ...(1)

Also, l=a+(n−1)d⇒d=

n−1

l−a

=

a+l

2S

−1

l−a

(from (1))

=

2S−(l+a)

l

2

−a

2

∴k=2S

Step-by-step explanation:

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Answer 2

Answer:

answer may be perimeter/2.

Step-by-step explanation:

because=rectangle perimeter =2(L+b)

so, p/2=L+b

then,p=A

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