The angle of a sector is 72° and its radius is 14cm, then length of its arc is ________.
14cm
16cm
17.4cm
17.6 cm
If the side of a square is 60 cms, then its perimeter is
3600 cm
120 cm
240 cm
320 cm
If the side of a square is 25 cm, then its area is
100 sq. cm
250 sq.cm
475 sq.cm
625 sq.cms
The parallel sides of a trapezium are (a+b) units and (a-b) units. Distance between the two sides is ' p ' units. Its area
is
a2p sq.units.
a/p sq.units.
ap sq.units.
p/a sq.units.
If the area of a sector is ‘A’ and the length of the arc is‘ l ’ . Then its radius is ____________ .
2Al
In a parallelogram one side is 4.5 cm. The corresponding height is 2.4 cm. Then area of that parallalogram is
9.78 cm2
9.8 cm2
10.8 cm2
10.28 cm2
Area of a ring , whose radii are 56 cm and 42 cm is ___________ .
4312 cm2
4464 cm2
5462 cm2
3274 cm2
Area of a ring is
The difference between the radii of two concentric circles is known as _________.
width
circumference
area
perimeter
The diagonals of a rhombus are 10 cm amd 24 cm. Then the area of that rhombus is
80 cm2
90 cm2
110 cm2
120 cm2
