Number 13 please and with the steps please try to do it FAST - Maths - Triangles

Question

Number 13 please and with the steps please try to do it FAST

Varshitha · Answer

Go with this answer my dude!!
<img src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5e50f306bf1cd%20png">

Number 13 please and with the steps... please try to do it FAST