Question

inside a square garden of side 158 a road 4 m wide is built all around. what is the remaining area

Answer 1

Original side of garden = 158 m

Road = 4 m

New side of the garden = 158 - 4 -4
                                              150 m

Area of the remaining portion = side ²
                                                 (150)² 
                                                 22500 m²

Answer 2

158*158-4*4m=

Then calculate