The distance between the two parallel sides of a trapezium is called the height of the trapezium.
True
False
If the area of a trapezium is 34 cm2 and the length of one of the parallel sides is 10 cm and its height is 4 cm, then the length of the other parallel side is 9 cm.
True
False
The area of a trapezium becomes 4 times if its height gets doubled.
True
False
Area of a trapezium =$$\frac{1}{2}$$× (Sum of lengths of parallel sides) × Height
True
False
Click the correct answer.
The area of a triangle of base x is equal to the area of a square of side x. What is the altitude of the triangle?
x2
x
2x
3x
What is the height of an equilateral triangle of side 6 cm?
$$3$$cm
$$3\sqrt{3}$$cm
$$4\sqrt{3}$$cm
$$5$$cm
What is the side of a square of area 64 m2?
16 m
4 m
8 m
12 m
What is the area of an equilateral triangle of side 2 cm?
$$\sqrt{2}$$cm
$$3$$cm
$$\sqrt{3}$$cm
$$2$$cm
What is the area of the largest triangle that can be fitted into a rectangle of length$$l$$units and width$$w$$units?
$$\frac{lw}{2}$$sq. units
$$\frac{lw}{3}$$sq. units
$$\frac{lw}{6}$$sq. units
$$\frac{lw}{4}$$sq. units
The area of a quadrilateral ABCD is 20 cm2. If the perpendiculars on diagonal BD from opposite vertices are 1 cm and 1.5 cm, what is the length of BD?
4 cm
15 cm
16 cm
18 cm
What is the area of an equilateral triangle of side ‘x’ units?
$$\frac{\sqrt{3}}{4}$$x
$$3$$x2
$$\frac{\sqrt{3}}{4}$$x2
$$\frac{3}{4}$$x2
Click the correct answer.
of a simple closed figure is the sum of all the sides.
Perimeter
Area
Altitude
Area of an equilateral triangle =$$\frac{\sqrt{3}}{2}$$×
(Side)2
(Side)
(3 × Side)
Each of the two parallel sides of a trapezium is called the
of the trapezium.
base
height
breadth
The area of a trapezium whose bases are 8 m and 5 m and altitude is 2 m is equal to
m2.
13
8
10
If the diagonals of a rhombus get doubled, then the area of the rhombus becomes
its original area.
4 times
3 times
6 times
The distance between the two parallel sides of the trapezium is called the
of the trapezium.
