Question

Find the length of an equilateral triangle inscribed in a circle of radius 4 cm

Answer 1

Answer:

4√3 cm

Step-by-step explanation:

radius=4 cm

draw a perpendicular to the side of triangle

now using trigonometry

cos30°=x/4

√3/2=x4

x=2√3

so side ====2×2√3

====== 4√3