CBSE Class 9 Answered
Why is'nt the angle sum property true for a concave quadrilateral even when we can divide it into two triangles
Asked by katariayash1212 | 16 Jan, 2020, 07:06: PM
It does not matter whether the quadrilateral is concave or convex, the sum of all the four angles present a quadrilateral is always 360°.
Answered by Arun | 17 Jan, 2020, 10:16: AM
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