The height of an equilateral triangle is 43 cm. The ratio of the area of its circumcircle to that of its in circle is
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Answer:
88 : 21√3 IND.
Step-by-step explanation:
cos30° = 43/x
√3/2 = 43/ x => x = 86/√3
radius of circumcircle = x/√3
= 86/√3/√3 = 86/3
area of circumcircle : area of equi.
22/7 * (86/3)^2 : √3/4 * (86/√3)^2
22/7 *1/3 : √3/4
22/21 : √3/4 = 88 : 21√3
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