Advertisements
Advertisements
Question
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
Advertisements
Solution
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
RELATED QUESTIONS
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 height of a triangle whose base is 18 cm and the area is 270 cm2.
The area of a right-angled triangle is 160 cm2. If its one leg is 16 cm long, find the length of the other leg.
The sides of a triangle are 21 cm, 17 cm, and 10 cm. Find its area.
Find the base of a triangle whose area is 360 cm2 and height is 24 cm.
The diameter of every wheel of a car is 63 cm. How much distance will the car move during the 2000 revolutions of its wheel.
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.
From each corner of a rectangular paper (30 cm x 20 cm) a quadrant of a circle of radius 7 cm is cut. Find the area of the remaining paper i.e., shaded portion.
