Answer:
C
Step-by-step explanation:
2+3+5=180
the the angles are: 2/10 of 180=36
3/10 of 180=54
5/10 of 180=90
yes, it is a right triangle.
Answer:
y equal 7
x equal 4 common algebraic knowledge
Answer:
130
Step-by-step explanation:
Times 40 & 3 to get 120.
Then as 1 is equal to 1/4 and 4 is equal to 4/4 which is a whole.
As 4 = 4/4 or 1 whole.
Count by 4 with your fingers until you get 40. Which is ten.
Then add 120+10 which equals to our answer that is 130.