Answer:
its A and i am sure her is the explanation
Step-by-step explanation:
- m<19-4
- m<15
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,

Answer:
35.56
Step-by-step explanation:
Answer: hypotenuse (h) = 17 cm
Step-by-step explanation:
There are no like terms in this expression