1. Find the area (in cm2 upto two decimal places) of the quadrilateral PQRS in which PS = 30 cm, ΔQRS is equilateral with each side equal to 34 cm and ∠QPS = 90°.   Hint Hint       2. Find the area (in cm2) of the quadrilateral PQRS in which PQ = 18 cm, QR = RS = 25 cm, PS = 24 cm and ∠QPS = 90°.   Hint       3. Find the length of RT (in cm) from the figure given that PQ = 7 cm, PS = 8.4 cm, ∠PSQ = 90° and the area of the quadrilateral PQRS is 48.72 cm2. Note that RT is the height of ΔQRS.   Hint       4. Calculate the area (in cm2) of the quadrilateral EFGH in which EF = 24 cm, GH = 34 cm, EH = 18 cm, FH = 30 cm, ∠FEH = 90° and ∠GFH = 90°.   Hint       5. A garden in the shape of a rectangle 60 m long and 35 m broad has two paths running in the middle of it, one being parallel to its length and the other being parallel to its breadth. Find the area (in m2) of the shaded region given that the breadth of each path is 4 m.   Hint       6. Find the area (in cm2) of the trapezoid ABCD in which AB = 11 cm, BC = 25 cm, CD = 4 cm and ∠BAD = ∠ADC = 90°.   Hint       7. Calculate the area (in m2) of the farm ABCDE in which AZ = 4 m, BY = 15 m, CX = 16 m, DX = 28 m, EZ = 20 m and XZ = 8 m.   Hint