Question

Q3) The length of each side of
an equilateral triangle having
an area of 9/3 cm is (एक 9/3
वर्ग से मी क्षेत्रफल वाले सम्बाहु त्रिभुज की
भुजा की लम्बाई क्या होगी?)
(a) 8 cm
(b) 36 cm
(c) 4 cm
(d) 6 cm​

Answer 1

Answer:

ANSWER

The area of equilateral triangle is 9√3 cm ^2

Since, the area of equilateral triangle is

= √3/4 a^2

Therefore,

√3/4 a ^2 = 9√3

a^2 = 9×4

a^2 = 36

a = 6 cm

Hence, the side of the triangle is 6cm.