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The area of an equilateral triangle with perimeter 12 cm is
Find the percentage increase in the area of a triangle if its each side is doubled.
The perimeter of the triangular field is 450 m and its sides are in the ratio 13:12:5. Find the area of the triangle.
The perimeter of a right triangle is 144 cm and its hypotenuse measures 65 cm. Find the lengths of other sides and calculate its area. Verify the result using Heron's Formula.
The lengths of the sides of a triangle are 7 cm, 13 cm and 12 cm. Find the length of perpendicular from the opposite vertex to the side whose length is 12 cm.
The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is
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