Question

A picture measuring 27.9 cm by 35.6 cm is surrounded by a mat 7.6 cm wide. Find the outer perimeter of the picture with the mat. What is the are of the picture including the mat?

Answer 1

`27.9x35.6-measuring\ without\ mat\\\\27.9+2\cdot7.6=27.9+15.2=43.1\\35.6+2\cdot7.6=35.6+15.2=50.8\\\\Permieter:\\\\2\cdot43.1+2\cdot50.8=86.2+101.6=187.8`