Mathematics
In figure given below, AB || DC, ∠A = 90°, DC = 7 cm, AB = 17 cm and AC = 25 cm. Calculate BC.
Related Questions
AD is perpendicular to the side BC of an equilateral △ABC. Prove that 4AD2 = 3AB2.
In the figure given below, ABCD is a square of side 7 cm. If
AE = FC = CG = HA = 3 cm,
(i) prove that EFGH is a rectangle.
(ii) find the area and perimeter of EFGH.
In rhombus if diagonals are 30 cm and 40 cm, find its perimeter.
In figure given below, AB || DC, BC = AD = 13 cm, AB = 22 cm and DC = 12 cm. Calculate the height of the trapezium ABCD.
