Question

a municipal corporation wall on road side has dimension as shown in fig. the wall is to be used for advisement and it yeild earning of rs. 400 per meter square in a year. find the total amount of revenue earned in a year

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Answer 1

Answer:

Total amount of revenue earned in a year= ₹ 47,472

Step-by-step explanation:

Area of rectangle=length ×breadth

Area of rectangle= 14×3 m^2

Area of rectangle=42 m^2

Area of triangle=76.68m^2 (Can be calculated using heron's formula)

s=(a+b+c)/2

s->semi perimeter

a,b,c -> side of a triangle

s=(13+13+14)/2

s=40/2

s=20

Area(∆)=√s(s-a)(s-b)(s-c)

∆=√20(20-13)(20-13)(20-14)

∆=76.68m2

Reqd area=42+76.68=118.68m^2

Reqd cost= ₹400 ×118.68

Reqd cost = ₹ 47,472

Answer 2

Step-by-step explanation:

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