Question

The length and the width of a mobile phone are 13 cm and 7 cm respectively. It has a screen PQRS as shown in the figure. What is the area of the screen?

Answer 1

ABCD is the rectangle formed by the edges of the mobile. PQRS is the rectangle formed by leaving a 1.5 cm wide edge alongside AB, BC, and DC, and a 2 cm edge alongside DA. 

Length of rectangle PQRS = 9.5 cm 

Breadth of rectangle PQRS = 4 cm 

Area of screen = Area of rectangle PQRS = 9.5 x 4 

= 38 sq .cm