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>
Answer: the answer is C
Step-by-step explanation:
7.2 x 6=43.2 cm^2
(2.8+7.2) x 4 /2 = 20 cm^2
20+43.2=63.2 cm^2
Answer:
x = 
Step-by-step explanation:
Given
- 
x + 
= - 
Multiply through by 60 ( the lcm of 4, 5 and 30) to clear the fractions
- 75x + 24 = - 26 ( subtract 24 from both sides )
- 75x = - 50 ( divide both sides by - 75 )
x = 
=
The answer is 10 because it had
