Question

find the area of an equlateral triangle of side 6 cm​

Answer 1

Answer:

Area of equilateral triangle is √3/4 a²

Step-by-step explanation:

√3/4 *6*6

√3 * 3*3 [ 6 cutted by 4, 2 times]

8√3 answer

Answer 2

Since triangle is equivalent

Since triangle is equivalenti.e a=b=c=6cm

Since triangle is equivalenti.e a=b=c=6cmS= (a+b+c)/2

Since triangle is equivalenti.e a=b=c=6cmS= (a+b+c)/2By hero's formula

Since triangle is equivalenti.e a=b=c=6cmS= (a+b+c)/2By hero's formulaArea of triangle=√s(s-a)(s-b)(s-c)

Since triangle is equivalenti.e a=b=c=6cmS= (a+b+c)/2By hero's formulaArea of triangle=√s(s-a)(s-b)(s-c)Put values in above formula and you will get the answer in cm^2