This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
∠BCA = 1/2∠BOA --- Angle subtended by the same arc to the centre is double the angle subtended at the circumference
∠BCA = 1/2 * 90
∠BCA = 45°

∠BCA + ∠CAB + ∠ABC = 180° - -Angle Sum Property
45 + ∠CAB + 30 = 180
∠CAB = 180 - 75
∠CAB = 105°

Mark This Brainliest If This Helped u
3 3 3
Sairamya If its Whole Question Then Y Dont U Solve It
Even u can solve it half Bcoz the Question Lacks Some Vital Information
hey this is the whole question ..i have copied it from a pdf..
ya there may be a mistake
No Mistake its Just NEED more INFORMATION