Answer:
Hi ma'am/sir... make sure your question is complete with a photo or options when asking a question on brainly.com
Step-by-step explanation:
thanks!
The critical point is (-30,0) I think
Answer:
3
Step-by-step explanation:
Answer:
BC ≈ 19.4 cm
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos71° =
=
=
( multiply both sides by BC )
BC × cos71° = 6.3 ( divide both sides by cos71° )
BC =
≈ 19.4 cm ( to 3 significant figures )