Area of a triangle if its base, b and height, h are given is
1/2 bh
bh
b2h
1/2 bh2
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
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
Suppose a triangle with area 28 has a base 7x and a height of 4x. The base and height are respectively
7, 4
4, 7
None of these
Triangles with the same base and between the same parallels are of
Equal area
Equal perimeter
Both 1 & 2
Calculate the area of an equilateral triangle whose height is 20cm.
230.9cm2
230cm2
119.5cm2
210.9cm2
The area of triangle whose sides are 3cm, 4cm and 5cm is
5 cm2
6 cm2
7 cm2
8 cm2
The sides of a triangle containing the right angle are 5x cm and (3x - 1) cm. If the area of the triangle is 60cm2, calculate the length of the sides
10cm, 8cm
15cm, 8cm
15cm, 10cm
12cm, 8cm
If the sides of a triangle are doubled, then its area
Remains the same
Becomes doubled
Becomes three times
Becomes four times
A triangle has a height of 6cm and its area is 30cm2, what is the length of its base
12cm
13cm
15cm
