Question

answer this question with step by step explanation class 7 And who ever will give me the correct answer I will mark him or her as brainlist ( I want answer of question 6)​

Answer 1

Answer:

Property of triangle :-

[ The sum of all angle of a triangle is equal to 180 °]

There are two triangles in quadrilateral ABCD :-

(i) ΔABC

(ii) ΔBDC

ΔABC + ΔBDC = 180° + 180° = 360°

Hence, it is proved.

[ Δ = This sign is a sign of triangle ]

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