) are the mid points on the sides CA and CAvight triangle, right anglesd at C. f p is the lengsh of the perpendiestiar fomaning, then prove thatO in the interior of a rectangle ABCD is joined widi eaco of sesntices ABCangled APOR, AP-90, l1 M is the mid poind of PO proveth srilateral ABCD, B-90 and ADABBC? CD, Peove that ZACDangled triangle, if a perpendicular is drawn from the right angle to the bygetenuse square of the perpendicular is equal to the area of the rectasnle formed by tieid point of the side AD of a parallelogram ABCD.Straight line BP inteserts fieD (produced) at O Prove that OR-2RBeles triangle ABC, with AB- AC, BD is perpendieular frons 8 to the side AC PasBD?-CD 2CD AD, AD BC, Prove that AB, CD AC, DB2de, AD is drawn perpendicular to BC. Prove that ABBDACCDangled triangle, the square of the hypotenuse is equal to the sumof thaesr two sides, Proveabove theorem, determine the length of AD in terms of b and cicht triangle, night-angled at C. Ir p ls the lenth of the perpendicular frams Cuaun the uual meaning, then prove that