Q19 of 52 Page 344

The perimeter of a trapezium is 52cm and its each non-parallel side is equal to 10cm with its height 8cm. Its area is

Then, sum of its parallel sides = 52-(10 + 10) = 32cm

Area of the trapezium = (a + b)h

= × 32 × 8 = 128cm²

What is the area of the rhombus ABCD below if AC = 6cm, and BE = 4cm?

The area of parallelogram is 60cm² and one of its altitude is 5cm. The length of its corresponding side is

Area of a quadrilateral ABCD is 20cm² and perpendiculars on BD from opposite vertices are 1cm and 1.5cm. The length of BD is

A metal sheet 27cm long, 8cm broad and 1cm thick is melted into a cube. The side of the cube is