ABCD is a rhombus in which BC=13cm and AO=12cm. Find the sum of the length of the diagonals.34 cm24 cm25 cm26 cmTwo opposite angles of a parallelogram are (90-x)° and (x-56)° . Find the value of x90°56°146°73°In triangle ABC, AB=18cm,BC=12cm and AC=10cm.Find the perimeter of the triangle formed by joining the mid points of the sides of the triangle.40cm80cm20cmIn quadrilateral ABCD,∠A+∠D=180°,what special name to be given to this quadrilateral.RhombusSquaretrapeziumKiteIn the rectangle MATE, diagonals MT and AE intersect at P. If AE=50 and PT= x+10 , then find the value of x.40356015If angles A,B,C,D of the quadrilateral ABCD ,taken in order are in the ratio 3:7:6:4, then the measure of the smallest angle is34°54°72°90°The diagonals AC and BD of parallelogram ABCD intersect at point O . If ∠DAC=34° and ∠AOB=75°, then measure of ∠DBC is37°41°52°None of theseOne angle of quadrilateral is of 111° and the remaining three angles are equal, then measure of each equal angle is83°111°45°None of these