The area of the incircle of an equila...

The area of the incircle of an equilateral triangle of side 42 cm is `22sqrt(3)\ c m^2` (b) `231\ c m^2` (c) `462\ c m^2` (d) `924\ c m^2`

Topper's Solved these Questions

ARITHMETIC PROGRESSIONS
RD SHARMA|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

The area of the incircle of an equilateral triangle of side 42cm is 22sqrt(3)backslash cm^(2)(b)231backslash cm^(2)(c)462backslash cm^(2)(d)924backslash cm^(2)

The area of the circle that can be inscribed in a square of side 10 cm is (a) 40pi\ c m^2 (b) 30pi\ c m^2 (c) 100\ pi\ c m^2 (d) 25\ pi\ c m^2

The altitude of an equilateral triangle of side 2sqrt(3) c m is 1/2c m (b) (sqrt(3))/4c m (c) (sqrt(3))/2c m (d) 3 c m

The perimeter of a triangle is 30 cm and the circumference of its incircle is 88 cm. The area of the triangle is (a) 70\ c m^2 (b) 140\ c m^2 (c) 210\ c m^2 (d) 420\ c m^2

The area of incircle of an equilateral triangle is 154\ c m^2 . The perimeter of the triangle is (a) 71.5 cm (b) 71.7 cm (c) 72.3 cm (d) 72.7 cm

The area of a right isosceles triangle whose hypotenuse is 16sqrt(2)\ c m is 125 c m^2 (b) 158 c m^2 128 c m^2 (d) 144 c m^2

The area of the figure formed by joining the mid-points of the adjacent sides of a rhombus with diagonals 16 c m\ a n d\ 12 c m\ is 28\ c m^2 (b) 48\ c m^2 (c) 96\ c m^2 (d) 24\ c m^2

If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm, then its area is (a) 58\ c m^2 (b) 52\ c m^2 (c) 25\ c m^2 (d) 56\ c m^2

If a chord of a circle of radius 28 cm makes an angle of 90o at the centre, then the area of the major segment is (a) 392\ c m^2 (b) 1456\ c m^2 (c) 1848\ c m^2 (d) 2240\ c m^2

The area of a circle is 220\ c m^2 . The area of a square inscribed in it is (a) 49\ c m^2 (b) 70\ c m^2 (c) 140\ c m^2 (d) 150\ c m^2

RD SHARMA-AREAS RELATED TO CIRCLES-All Questions

The ratio of the outer and the inner perimeters of a circular path ...
Text Solution
|
The circumference of a circle is 100 cm. The side of a square inscr...
Text Solution
|
The area of the incircle of an equilateral triangle of side 42 cm i...
Text Solution
|
The area of incircle of an equilateral triangle is 154\ c m^2 . The...
Text Solution
|
What is the area of the largest triangle that can be inscribed in a se...
Text Solution
|
The perimeter of a triangle is 30 cm and the circumference of its i...
Text Solution
|
The area of a circle is 220\ c m^2 . The area of a square inscribed in...
Text Solution
|
If the circumference of a circle increases form 4pi to 8pi , what ...
Text Solution
|
If the radius of a circle is diminished by 10%, then its area is di...
Text Solution
|
If the area of a square is same as the area of the circle, then the...
Text Solution
|
What is the area of the largest triangle that can be inscribed in a se...
Text Solution
|
The ratio of the areas of a circle and an equilateral triangle whos...
Text Solution
|
If the sum of the areas of two circles with radii r1 and r2 is equal t...
Text Solution
|
If the perimeter of a semi-circular protractor is 36 cm, then its d...
Text Solution
|
The perimeter of the sector O A B shown in Fig. 15.106, is (a) (64)...
Text Solution
|
If the perimeter of a sector of a circle of radius 6.5 cm is 29 cm,...
Text Solution
|
If the area of a sector of a circle bounded by an arc of length 5pi...
Text Solution
|
The area of the circle that can be inscribed in a square of side 10...
Text Solution
|
If the difference between the circumference and radius of a circle ...
Text Solution
|
The area of a circular path of uniform width h surrounding a circu...
Text Solution
|