Answer:
Given: Dimensions of the triangular tiles.
By using Heron’s formula, we can calculate the area of triangle.
Heron's formula for the area of a triangle, Area = √s(s - a)(s - b)(s - c)
Where a, b and c are the sides of the triangle, and s = Semi-perimeter = Half the Perimeter of the triangle = (a + b + c)/2
We have the dimensions of sides of each triangular tile.
a = 35 cm, b = 28 cm, c = 9 cm
Semi Perimeter(s) = (a + b + c)/2
s = (35 + 28 + 9)/2
s = 72/2
s = 36 cm
By using Heron’s formula,
Area of each triangular tile = √s(s - a)(s - b)(s - c)
= √36(36 - 35)(36 - 28)(36 - 9)
= √36 × 1 × 8 × 27
= 36√6 cm2
Area of a 1 triangular tile = 36√6 cm2
Area of 16 triangular tile = 16 × 36√6 cm2
= 16 × 36 × 2.45 cm2
= 1411.2 cm2
Since, the cost of polishing 1cm2 of tiles is 50p or ₹ 0.5
Therefore, the cost of polishing 1411.2 cm2 area of tiles = 1411.2 cm2 × 0.5 = ₹ 705.60
Explanation:
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Verified answer
Answer:
Given: Dimensions of the triangular tiles.
By using Heron’s formula, we can calculate the area of triangle.
Heron's formula for the area of a triangle, Area = √s(s - a)(s - b)(s - c)
Where a, b and c are the sides of the triangle, and s = Semi-perimeter = Half the Perimeter of the triangle = (a + b + c)/2
We have the dimensions of sides of each triangular tile.
a = 35 cm, b = 28 cm, c = 9 cm
Semi Perimeter(s) = (a + b + c)/2
s = (35 + 28 + 9)/2
s = 72/2
s = 36 cm
By using Heron’s formula,
Area of each triangular tile = √s(s - a)(s - b)(s - c)
= √36(36 - 35)(36 - 28)(36 - 9)
= √36 × 1 × 8 × 27
= 36√6 cm2
Area of a 1 triangular tile = 36√6 cm2
Area of 16 triangular tile = 16 × 36√6 cm2
= 16 × 36 × 2.45 cm2
= 1411.2 cm2
Since, the cost of polishing 1cm2 of tiles is 50p or ₹ 0.5
Therefore, the cost of polishing 1411.2 cm2 area of tiles = 1411.2 cm2 × 0.5 = ₹ 705.60
Explanation:
meri jaan pichli bar ke liye very very sorry
or ye answer kesa hai
bhai bura mat manna please
I Hope Its helps you