Question

In Triangle ABC, if b = 2, B = 30

degree , then the area of

circumcircle of ABC = .......... .

(a) pie(b) 2 pie(c) 4 pie (d) 6 pie​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

4π

Step-by-step explanation:

a/sinA=b/sinB=c/sinC=2R          (USING SIN RULE)

b/sinB=2R

2/sin30° =2R  

R=1/sin30°

R=2

SINCE,

Area of circle = π R^2

                       = π (2)^2

                       = 4π