Question

the value of semiperimeter of an equilateral triangle having area 43cm​

Answer 1

Answer:

The semiperimeter of the equilateral triangle is half is perimeter;

Therefore, Semiperimeter= 43/2 cm

= 21.5cm

Hope it helps:)

Step-by-step explanation:

Answer 2

Answer:

15cm

Step-by-step explanation:

area 43cm​²

area =A = √3

/4 X a²

43=√3

/4 X a²

43=  √3   X a²

         4

43 X 4 = √3  X a²

172= a²

√3

a² =100

a= 10

semi perimeter= 3a

                            2

semi perimeter= 30/2

semi perimeter=15