Question

find the area of equilateral triangle each of whose sides measure 18 cm .
take V--3=1.73​

Answer 1

Answer:

Step-by-step explanation:

X = 18

Altitude = √3/2x

= √3/2*18

= 15.57

Area = 1/2*base*height

= 1/2*18*15.57

= 140.13