One side of a rectangular field is 4 meters and its diagonal is 5 meters. The area of the field is:
A)12 m2
B)15 m2
C)20 m2
D)4?5 m2

Question

Quizplus · Accepted Answer

First find the other side of the rectangle . L2 +B2 = D2
B2 = D2 - L2 = 25-16 =9
B= 3 meter
Area = L x B = 4 X 3 = 12 m2
Key takeaway: In GMAT, word problems based on only basic geometry are asked . You should remember simple formulae ( perimeter, area ) of rectangle, square, circle etc. and their application.

One Side of a Rectangular Field Is 4 Meters and Its