Question

(11)
B
5
2
6
3
4
A
उपरोक्त बनी आकृति के सभी अन्त: कोणो का योगफल होगा-
(A) 180°
(B) 210°
(C) 360
(D) 720
P.T..​

Answer 1

Answer:

210 ° is correct answer

Answer 2

Given :  आकृति

To Find : आकृति के सभी अन्त: कोणो का योगफल

(A) 180°

(B) 210°

(C) 360°​

(D) 720°

Solution:

ΔACD

∠1 + ∠2 + ∠3  = 180°

ΔACB

∠4 + ∠5 + ∠6 = 180°

∠1 + ∠2 + ∠3 + ∠4 + ∠5 + ∠6 = 180° +  180°

=> ∠1 + ∠2 + ∠3 + ∠4 + ∠5 + ∠6 = 360°

आकृति के सभी अन्त: कोणो का योगफल  = 360°

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