All the angles of a triangle add up to 180 degrees.
30+39+<4= 180
69+<4= 180
Subtract 69 on both sides.
<4= 111 degrees
<1 and <4 are supplementary and adjacent. They equal 180 degrees as well.
111+<1= 180
<1= 69 degrees
I hope this helps!
<em>~kaikers</em>
It doesn’t matter how many times she rolls the dice. she will have a 1/6 chance is rolling the number 4, which is a 16.6% chance
10/12 = 5/6 probability that she will not win on the next roll
Answer:
option 3
Step-by-step explanation:
So firstly, square root 9a^2 and 49: 
Next, combine like terms, and your answer will be 
, or the third option.
