Question

please answer my question pls pls pls pls​

Answer 1

Answer:

I have answered only for 8th

pls mark it as brainliest

Answer 2

1.

Given :-

adjacent sides = 28cm and 42 cm

one diagonal = 38cm

By herons formula,

s=> 1/2(a+b+c)= 1/2(28+42+38) = 54

Area=√s(s-a)(s-b)(s-c)

=>√54(54-28)(54-42)(54-38)

=>√54(26)(12)(16)

=>√269568

from onward you can calculate the Area.