Answer:
The correct option is C ) 109.5°
Therefore,
Step-by-step explanation:
Given:
In Triangle DEF
d = 10
e = 18
f = 12
To Find
angle E = ?
Solution:
In Triangle DEF , Cosine Rule says
Substituting the values we get
Therefore,
............As it is in Second Quadrant
Therefore,
First order the numbers from least to greatest then cross out the numbers until you get to the middle one which is 18 ft. Hope this helped
Answer:
Question 1: y-11x+5 I think; Question 2: I'm not sure
Step-by-step explanation:
-1/2 is bigger than -8/15