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Grade 12Trigonometry

Area of incircle circumcircle and ex circle of a triangle
  • Distance between circuncentre and ortho centre and in centres of atriangle

Profile image of Varun
7 Years agoGrade 12
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1 Answer

Profile image of Arun
7 Years ago
 
Dear student
 
inradius r = delta /s = area of triangle / semiperimeter
 
also
circum radius R = a/ 2 sinA = b/ 2 sinB = c/ 2 sinC
 
Now you can find area of incircle and circum circle
 

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