alizeh ali mir

i just want to know the correct method to find out the volume and surface area of prism and cylinder. also the formula of perimeter of semi circle and complete circle also its area and how to find out the shaded part of area. with methods please post some...

my exams are starting from next week i am facing so much problems in perimeter and area of simple geometrical figures . my question is ;find the area , in square centimetres , of a rectangular strip of board 3.28 m long and 75 mm wide . the second questio...

a paper box without a lid is 25 cm long. 16 cm wide and 5 cm deep . how many square centimetres of paper have been used to make the box .