একটি সমবাহু ত্রিভুজের একটি বাহুর দৈর্ঘ্য 6 cm হলে, এর ক্ষেত্রফল কত?
A
33 cm2
B
43 cm2
C
63cm2
D
93 cm2
Correct Answer: 93 cm2
The International Organization for Standardization (ISO) is an international standard - setting body composed of representatives from various national standards organizations. Founded on 23 February 1947, the organization promotes worldwide proprietary, industrial, and commercial standards