Plz help me solve the below doubts (NO LINK) - Maths - Perimeter and Area

Question

Plz help me solve the below doubts (NO LINK)

Prashant Maurya · Accepted Answer

Solution
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_61e6a9d6d73a0%20jpg"
style="width: 737px; height: 1023px;">
<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_61e6a9e88e3ed%20jpg"
style="width: 818px; height: 1023px;">