Triangles with the same base and between the same parallels are of
Equal area
Equal perimeter
Both 1 & 2
None of these
In Heron's formula, s represents
Perimeter of the triangle
Semi-perimeter of the triangle
Hypotenuse
A square and an equilateral triangle have equal perimeters. If the diagonal of the square is , then the area of the triangle is
Area of an equilateral triangle with side x is
1/2 x^{2}
x^{2}
4/3 x^{2}
The area of right angled triangle is 20cm^{2} and one of the sides containing the right triangle is 4 cm. Then the altitude on the hypotenuse is
8cm
10cm
A triangle has a height of 6cm and its area is 30cm^{2}, what is the length of its base
12cm
13cm
15cm
In a right triangle with sides x and y, hypotenuse z, the altitude drawn on the hypotenuse is a, then
xy = a^{2}
1/x + 1/y = 1/a
x^{2} + y^{2} = 2a^{2}
Δ ABC shown below is inscribed inside a square of side 20cm. Find the area of the triangle
50cm^{2}
100cm^{2}
200cm^{2}
225cm^{2}
If one side of an equilateral triangle is 4cm. Then its area =
9√3 cm^{2}
8√3 cm^{2}
4√3 cm^{2}
√3 cm^{2}
Calculate the area of an equilateral triangle whose height is 20cm.
230.9cm^{2}
230cm^{2}
119.5cm^{2}
210.9cm^{2}