Triangles with the same base and between the same parallels are of
Equal area
Equal perimeter
Both 1 & 2
None of these
Area of a triangle if its base, b and height, h are given is
1/2 bh
bh
b2h
1/2 bh2
A square and an equilateral triangle have equal perimeters. If the diagonal of the square is , then the area of the triangle is
The area of an equilateral triangle is numerically equal to its perimeter . Find the length of its side.
√3 units
2√3 units
3√3 unit
4√3 unit
In a right triangle with sides x and y, hypotenuse z, the altitude drawn on the hypotenuse is a, then
xy = a2
1/x + 1/y = 1/a
x2 + y2 = 2a2
In Heron's formula, s represents
Perimeter of the triangle
Semi-perimeter of the triangle
Hypotenuse
The base of the traingle is 15dm and its height is 12dm. The height of another triangle of double the area and the base of which is 20 dm is
9 dm
18 dm
8 dm
12.5dm
Heron's formula is used to find the area of
Rectangle
Parallelogram
Trapezium
Triangle
Area of an equilateral triangle with side x is
1/2 x2
x2
4/3 x2
The area of right angled triangle is 20cm2 and one of the sides containing the right triangle is 4 cm. Then the altitude on the hypotenuse is
8cm
10cm
