-1. Plug in -3 for x which makes 9-10 so -1
Answer:
Choice D for Angle R
70 degrees for Angle P
Step-by-step explanation:
Google "central angles and inscribed angles geometry" for an explanation.
It's actually a poorly worded question.
Answer:
Number 12
Step-by-step explanation:
Number 12 :))
Answer:
Y = 59.0°
Step-by-step explanation:
Using the cosine rule in terms of x, y and z
cosY = 
with x = 22, y = 20 and z = 18
cosY = 
= 
=
, thus
Y =
(
) ≈ 59.0° ( to the nearest tenth )