Question

AB=8cm, BC=8cm, CD=8cm, AF=8cm, EF=8cm, ED=?
JH=8cm,GH=8cm
Find the area of whole figure.​

Answer 1

Answer:

Given : AB=8cm BC=6cm

AC=

8

2

+6

2

=10

AO=

2

10

=5

S=

2

5+5+8

=9

Area of ΔAOB=

S(S−a)(S−b)(S−c)

=

9(9−8)(9−5)(9−5)

=

9×1×4×4

=3×4

Area of ΔAOB=12 sq. units.