If the area of a triangle is 48 sq.cm, and it's height is 6 cm, then its base is
16 cm
18 cm
20 cm
22 cm
The radius of a sector is 7 cm and its angle is 240°. Then the area of sector is _____________ .
105.4 cm2
102 cm2
102.67 cm2
104.36 cm2
The area of a trapezium is 1/2 (a2- b2) sq.units, where ‘ a ’ and ‘ b ’ are parallel sides. Then the distance between a
and b is
a + b
a - b
a / b
b / a
The area of a rhombus is 96 sq.cm. Length of one diagonal is
12 cm
13 cm
14 cm
15 cm
Area of a ring , whose radii are 56 cm and 42 cm is ___________ .
4312 cm2
4464 cm2
5462 cm2
3274 cm2
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
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
The sum of angles in a quadrilateral is
1 right angle
2 right angles
3 right angles
4 right angles
If the area of a sector is ‘A’ and the length of the arc is‘ l ’ . Then its radius is ____________ .
2Al