Question

Find the perimeter of the following figures.$(\pi =3.14)$

Answer 1

Given that

$DC=16cm$

$BC=3cm$

now,

perimeter of $ABCD=2[3+16]=2\times 19$

$=38cm$

Also, semi circle $AOB=$semi circle $DQC$

then,

$AOB+DQC=$ full circle

we know that

perimeter of circle $=2\pi r$

$=2\times \frac{22}{7}\times \frac{DC}{2}$

$=2\times \frac{22}{7}\times 8$

$=50.24cm$

Then perimeter of complete figure $=38+50.24$

$=88.24cm$

Hence, perimeter of complete figure $=88.24cm$

Hence, this id the answer.