Question

The sides of the triangular ground are 22m,120m,122m.find the area and cost of leveling the ground at the rate of ₹ 20 per month

Answer 1

the total cost is 26400 rupees

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Answer 2

The area  and cost of leveling the ground  are 1320 sq.m. and Rs.26400

Step-by-step explanation:

We are given that The sides of the triangular ground are 22m,120m,122m

So, a = 22 m

b = 120 m

c = 122 m

Area of triangle = $A=\sqrt{s(s-a)(s-b)(s-c)}$

Where $s=\frac{a+b+c}{2}$

Substitute the values :

$s=\frac{22+120+122}{2}$

$s=132$

$A=\sqrt{132(132-22)(132-120)(132-122)}$

$A=1320m^2$

Cost of leveling 1 sq.m. = Rs.20

Cost of leveling 1320 sq.m. =$1320 \times 20 = rs.26400$

The area  and cost of leveling the ground  are 1320 sq.m. and Rs.26400

#Learn more ;

The side of a triangular ground are 5 7 and 8 respectively find the cost of levelling the ground at the rate of rupees 10 per metre square

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