Question

In the figure, □STNE is a rectangle. Q is the midpoint of ST then find area of the □STNE, area of ΔNTQ & area of shaded portion

Answer 1

Answer:

2

Step-by-step explanation:

Here, AB=18cm, BC=10cm, AF=6cm, AE=10cm and BE=8cm

Area of shaded portion=Area of rectangular ABCD−(Area of ΔFAE+Area of ΔEBC)

=(AB×BC)−(

2

1

×AE×AF+

2

1

×BE×BC)

=(18×10)−(

2

1

×10×6+

2

1

×8×10)

=180−(30+40)

=180−70=110cm

2

.