Question

n the given figure, if OA = 5cm, AB = 8cm and OD _|_ AB then find CD.​

Answer 1

Step-by-step explanation:

Length of fence of trapezium ABCD=AB+17+48+40

⇒120=105+AB

⇒AB=15 m

Area of trapezium

=

2

1

×Sum of Parallel sides×Distance between Parallel sides

=

2

1

[(40+48)×15]=660 sq. metres