Question

11.
The height of an equilateral triangle is 6 cm, then the area of the triangle is
b)3V3 c)12V3 d) none of these
The area of an isosceles triangle each of whose equal side is 13 m and whose
a) 5V3
12.​

Answer 1

Step-by-step explanation:

height of eq. triangle= √3a/2

6= √3a/2

12=√3a

12/√3=a

area of triangle=√3a²/4

= √3/4×(12/√3)²

= √3/4×144/3

= 12√3

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