Question

sum of the areas of region A,B and C is 140 sq.cm, then X is :-
(1)30 cm
(2)6 cm
(3)8 cm
(4)40 cm

Answer 1

Area of rectangul

L×B

10×5=50

(x)×5=5x

12×5=60

50+5x+60=140

5x=140-(60+50)

5x=140-110

5x=30

x =30/5

x=6cm

Answer 2

Answer:

The answer will be (2) 6 cm . My book is also of dav