Question

(a) दिइएको समबाहु त्रिभुजको क्षेत्रफल

पत्ता लगाऊ।
Find the area of the given
equilateral triangle.If it is equilateral and 5 cm. Ans: 13 cm
​

Answer 1

we have

side[a]=5cm

we have

area of equilateral TRIANGLE =√3/4×a²=√3/4×5²=10.82=11cm²