In all the questsions similar formulas are applied:
First we need to use the perimeter formula:
Perimeter = 2 ( Length + Bredth)
Then, we need to write Lenght in terms of breadth.
Then we need to find the area = Lenght x Breadth
1) Length = 7/5 Breadth
Formula: 2( L + B ) = 24
L + B = 12
7/5 B + B = 12
12 B / 5 = 12
B = 5
L = 7
Area = 35
Similarly all other questions can be done, answers of which I am giving below.
Please best the solution !!!!!!!11
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