Answer:
sum=(n-2)*180
sum=(4-2)*180
sum=2*180
sum=360º
if T=K, T=100º
360-(100+100+20)=E
E=360-220
E=140º
books
Step-by-step explanation:
Sonya -> books
Nick -> books
Total:
2 1/4 = 2.25
2.25 x 4 x 2 = 18
they are square centeniters