Advertisements
Advertisements
प्रश्न
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
Advertisements
उत्तर
Area of equilateral triangle = `64sqrt3` cm2
Let each side = a
Then, `sqrt3/4"a"^2=64sqrt3`
a2 =`(64sqrt3xx4)/sqrt3=256`
a = (16)2
∴ a = 16 cm
∴ Each side = 16 cm
APPEARS IN
संबंधित प्रश्न
Find the area of the square whose perimeter is 56 cm.
In the figure given below, find the area of shaded region: (All measurements are in cm)
The area of a rhombus is 84 cm2 and its perimeter is 56 cm. Find its height.
Find the area of a triangle whose base is 30 cm and the height is 18 cm.
Find the area of a right-angled triangle whose hypotenuse is 13 cm long and one of its legs is 12 cm long.
The sides of a triangle are 21 cm, 17 cm, and 10 cm. Find its area.
The diameter of a circle is 20 cm. Taking π = 3.14, find the circumference and its area.
The ratio between the radius of two circles is 5 : 7. Find the ratio between their:
(i) circumference
(ii) areas
The ratio between the areas of two circles is 16 : 9. Find the ratio between their :
(i) radius
(ii) diameters
(iii) circumference
The length and breadth of a rectangular paper are 35 cm and 22 cm. Find the area of the largest circle which can be cut out of this paper.
