First you need the size of an angle QPR = B = 180° - 123°
Lenght of QP = 10cm
QR = x
QP = r
x² = r² + r² - 2r² × cosB
Answer:
D. Between the ladder and the ground
Step-by-step explanation:
The 75° is made by the ladder leaning on the tree. So the angle would be from the ground up to the ladder.
IDK IDK IDK IDK I DONT KNOW
Answer:
it is A because when you look at the answer they don't make sense and there is no answer D
2 f = 100%
1.6f = x
X=(1.6*100)/2=80%
The percent change from yesterday to today is 20℅