IPMAT Indore 2020Geometry > Hard28293133✅ Correct Option: 2Related questions:The number of triangles with integer sides and with perimeter 15 is:Let △ABC\triangle ABC△ABC be a triangle with AB=ACAB = ACAB=AC and DDD be a point on BCBCBC such that ∠BAD=30∘\angle BAD = 30^\circ∠BAD=30∘. If EEE is a point on ACACAC such that AD=AEAD = AEAD=AE, then ∠CDE\angle CDE∠CDE equalsThe number of points, having both coordinates as integers, that lie in the interior of the triangle with vertices (0,0),(0,31),(0, 0), (0, 31),(0,0),(0,31), and (31,0)(31, 0)(31,0) is