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Each equal side of an isosceles right triangle is \(x \) cm. Its area is :
Area
Area of an equilateral triangle of side 10 cm is :
Area
The length of the sides of a triangle are 5x, 5x and 8x. The area of the triangle is :
Area
The area of the triangle having sides 13 cm. 14 cm, and 15 cm is :
Area
Each equal side of an isosceles triangle is 5 cm and the thrid side is 8 cm. The area of the triangle is :
The sides of a triangular flower bed are 5m, 8m and 11m. The area of the flower bed is :
Area
If the perimeter of an isosceles triangle of base 12 cm is 30 cm, then its area is :
Area
The perimeter of an equilateral triangle is 60 m. Its area is :
Area
If the sides of a triangle are 56 cm, 60 cm and 52 cm long, then the area of the triangle is :
Area
The length of each side of an equilateral triangle having an area of \(9\sqrt3\ cm^2 \) is:
An isosceles right triangle has area \(8\ cm^2 \). The length of its hypotenuse is :
Area
In the figure, ABCD is a rectangle and DEC is an equilateral triangle. Area of \(\triangle \)DEC is:
If the altitude of an equilateral triangle is \(\sqrt{12} \) cm, then its area is equal to :
Area
The adjacent sides of an parallelogram are 3 cm and 7cm. The ratio of their altitudes is :
If the area of a n equilateral triangle is \(27\sqrt3\ cm^2 \), then its perimeter is
Perimeter
Each equal side of an isosceles triangle is 13 cm and its base is 24cm. Area of the triangle is :
Area
The percentage increase in the area of a triangle if its each side is doubled , is :
The sides of a triangle are 5cm, 12cm and 13cm. The length of the perpendicular from the opposite vertex to the longest side is :
The sides of a triangle are in the ratio 3:4:5. If the perimeter of the triangle is 84 cm, then area of the triangle is
Sides are
Area
The length of the side of a rhombus is 30 cm and one of its diagonals is 48 cm long. Area of the rhombus is :
Area
The sides of a triangle are 4 cm, 8 cm and 6 cm. The length of the perpendicular from the opposite vertex to the longest side is :
Each side of an equilateral triangle is \(2x \) cm. If \(x\sqrt{3}=\sqrt{48} \), then area of the triangle is:
Side
Area
The sides of a triangle are x,y and z. If x + y = 7m, y + z = 9m, and z + x = 8m, then area of the triangle is :
on solving
Area
If each side of an equilateral triangle is halved, then the ratio of the area of new triangle to the area of the original triangle is :
Area of equilateral
Area of new equilateral
Ratio
The sides of a triangle are 35 cm, 54 cm and 61 cm, respectively. The length of its longest altitude is :
The edges of a triangular board are \(6\ cm \). \(8\ cm \) and \(10\ cm \). The cost of painting it at the rate of \(9 \) paise per \(cm^2 \) is :
Area
Cost
Heron’s formula is :
The semi perimeter of a triangle having the length of its sides as 20 cm, 15 cm and 9 cm is :