Answer:
The two triangles are congruent because the squares in the corner state it's 90 degrees, and the two tick marks show they are also congruent. \
Answer:
158.4 degrees.
Step-by-step explanation:
A line is 180 degress in total so subtract 21.6 from 180. Then you get 158.4
Answer:
5 over 2
Step-by-step explanation:
First do the parentheses.
2.2*3.1=6.82
2.2*x=2.2x
Rewrite the equation as 6.82+2.2x+3x
Then add the x's and you get 5.2x
Write the equation again and you get 6.82+5.2x