Answer:
Step-by-step explanation:
The final answer is (7r^2 - 6) (7r + 6)
Do Yr selffffffffffffffff i can't do this
When the length of sides are given, you can use law of cosine to find the angles
Refer to this website for details
https://www.mathsisfun.com/algebra/trig-cosine-law.html
11^=8^2+5^2-2*8*5cosA
-80cosA=32
cosA=-0.4
A is about 114 degree
use the same method to find out B and C, you will get 42 and 25
Answer:
<u>denominators</u>
Step-by-step explanation:
This is vocabulary term definition (for "least common denominator"). This missing word is "denominators."
