Sagot :
Answer:
I thought that the answer is 97°
Step-by-step explanation:
1²=a²+h² -2ahcosT
18²=12²+12² -2(12)(12)cosT
324=288-288cosT
36= -288cosT
-.125=cosT
cos-¹ (-.125)=97°

Answer:
I thought that the answer is 97°
Step-by-step explanation:
1²=a²+h² -2ahcosT
18²=12²+12² -2(12)(12)cosT
324=288-288cosT
36= -288cosT
-.125=cosT
cos-¹ (-.125)=97°