एक समबाहु त्रिभुज को भुजा 5cm है। इसका क्षेत्रफल है-
(A) 12.5 cm
(B) 25. Fem
(D)
15 cm
The side of an equilateral triangle is 5 cm Its area is :
Answers
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1
Answer:
25√3
--------
4
Step-by-step explanation:
Area of eq.triangle = s^2√3
---------
4
= (5)^2√3
-----------
4
=25√3
--------
4
Hence proved
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