Question

Find The Area If An Equilateral Triangle With Side 10 cm is ------​

Answer 1

Given :- Diagram

to find :- area of equilateral triangle whose side is 10cm

Sol'n :- area of equilateral triangle:

$\sqrt{3} \div 4 \times {a}^{2}$

= √3=9

so, 9/4*10^2

=4/9*10^2

= 43.3

answer:-[43.3]