Answer:

Step-by-step explanation:
Given:
180°<θ<270° and 
We know for any angle
,

∴
Answer:
A
Step-by-step explanation:
Look at the attachment for work
Answer:
7.3
Step-by-step explanation:
The two triangles are similar, meaning that they have the same angles but the triangles are in different sizes. To solve this, use proportions:

Cross multiply:

It’s the second one pls brainliest me