Step-by-step explanation:
steps are in picture above.
<u>N</u><u>o</u><u>t</u><u>e</u><u> </u><u>:</u><u> </u><u>i</u><u>f</u><u> </u><u>y</u><u>o</u><u>u</u><u> </u><u>h</u><u>a</u><u>v</u><u>e</u><u> </u><u>a</u><u>n</u><u>y</u><u> </u><u>c</u><u>o</u><u>n</u><u>f</u><u>u</u><u>s</u><u>i</u><u>o</u><u>n</u><u> </u><u>l</u><u>e</u><u>t</u><u> </u><u>m</u><u>e</u><u> </u><u>know</u><u>.</u>
20
Formula for perimeter: length x 2 + width x 2
70x2 is 140 then subtract it from 180 and you’ll get 40, then you half it and get 20
Answer:
234567
Step-by-step explanation: