ICSE Class X Math 2020 Solved Paper - Question 21 | ExamSiri

ICSE Class X Math 2020 Solved Paper

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Question : 21 of 29

Marks: +1, -0

In the given figure

T P

and

T Q

are two tangents to the circle with centre

O

, touching at

A

and

C

respectively. If

∠ B C Q=55^{∘}

and

∠ B A P=60^{∘}

, find:

(i)

∠ {\OBA}

and

∠ {\OBC}

(ii)

∠ {\AOC}

(iii)

∠

ATC.

Solution:

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