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CBSE Class 9 Answered

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Asked by Girishdhawan | 01 Jul, 2018, 03:19: PM
answered-by-expert Expert Answer
begin mathsize 16px style The space exterior space angle space is space equal space to space the space sum space of space its space interior space opposite space anggles. angle ACD equals angle BAC plus angle ABC......... left parenthesis straight i right parenthesis angle BAE equals angle ABC plus angle ACB......... left parenthesis ii right parenthesis angle CBF equals angle BAC plus angle ACB.... left parenthesis iii right parenthesis Add space left parenthesis straight i right parenthesis comma space left parenthesis ii right parenthesis space and space left parenthesis iii right parenthesis angle ACD plus angle BAE plus angle CBF equals 2 open parentheses angle ABC plus angle BAC plus angle ACB close parentheses angle ACD plus angle BAE plus angle CBF equals 2 cross times 180 degree angle ACD plus angle BAE plus angle CBF equals 360 degree end style
Answered by Sneha shidid | 06 Jul, 2018, 10:51: AM

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CBSE 9 - Maths
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