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Manojbgs123:
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Find . ABC+CDE
Construction . Join Ad
by joining we get ABCDE is a cyclic quadrilateral,
angle ABC+angle ADC =180. (1)
Also, angle ADE =90 (2) (angle form in semicircle)
By adding equation (1) and(2)
angle ABC+angle ADC+angle ADE =180+90
angle ABC+angle CDE = 270
Hence, value of ABC +CDE =270.
Hope ! it could help.
Happy HOLI
Construction . Join Ad
by joining we get ABCDE is a cyclic quadrilateral,
angle ABC+angle ADC =180. (1)
Also, angle ADE =90 (2) (angle form in semicircle)
By adding equation (1) and(2)
angle ABC+angle ADC+angle ADE =180+90
angle ABC+angle CDE = 270
Hence, value of ABC +CDE =270.
Hope ! it could help.
Happy HOLI
wow thanks alot
happy holi ji
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