If the parallel sides of the trapezium field are 80m and 20m. These sides meet the third side at the right angle. The length of the fourth side is 90m. If it costs Rs. 5 to plow per m2 of the field, find the total cost of plowing the field.

In the figure (not to scale) AB = CD, angle DAP = angle DPA and A,B,C,D are concycli. If angle ADC = 80°, then find angle ACD.

Solve : 2^(x+2)+2^(x-1)=9

Volume of a Cylinder

What length of tarpaulin 3m wide will be required to make conical tent of height 8m and base radius 6m ? Assume that the extra length of material that will be required for stitching and wastage in cutting is approximately 20cm ( Use pi= 3.14)

Find the square of: 2a +b