Question

Give the answer of this both question

Answer 1

(2) first term of AP = a = 28

(3) 1/3*3=1/9

I hope it is helpful for you..

Answer 2

(a+6d) = 4
d = -4
a+6(-4) = 4
a-24 = 4
a = 28


According to Areas Theorem:

$\frac{ar(abc)}{ar(pqr)} = {( \frac{1}{3} )}^{2} \\ = \frac{1}{9}$