Question

DO THIS
1. Take any quadrilateral, say ABCD (Fig 34). Divide
it into two triangles, by drawing a diagonal. You get
six angles 1,2,3,4,5 and 6.
Use the angle-sum property of a triangle and argue
how the sum of the measures of ZA, ZB, ZC and
Fig 34 A
ZD amounts to 180° + 180º = 360°
who will send in proper photo and understand me get brillant​

Answer 1

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Answer 2

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