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`

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)

Each side of an equilateral triangle is 8 cm. Its area is (a) 16sqrt(3)\ c m^2 (b) 32sqrt(3)\ c m^2 (c) 24sqrt(3)\ c m^2 (d) 8sqrt(3)\ c m^2

The area of a square of side 14cm is (a) 49 c m^2 (b) 156 c m^2 (c) 56 c m^2 (d) 196\ 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 height of an equilateral triangle is sqrt(6)\ c mdot Its area is (a) 3sqrt(3)\ c m^2 (b) 2sqrt(3)\ c m^2 (c) 2sqrt(2)\ c m^2 (d) 6sqrt(2)\ c m^2

The area of incircle of an equilateral triangle is 154\ c m^2 . The perimeter of the triangle is

If the length of each side of an equilateral triangle of area 4sqrt(3)\ c m^2,\ is (a) 4\ c m (b) 4/(sqrt(3))c m\ (c) (sqrt(3))/4\ c m (d) 3\ c m

If area of an equilateral triangle is 3sqrt(3)\ c m^2, then its height is (a)3 cm (b) sqrt(3)\ c m (c)6 cm (d) 2sqrt(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 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