Answer:
B y=54 degrees
Step-by-step explanation:
Since a triangle's angles always add up to 180.
180-72=108
108/2=54
It must be divided by two because y is two angles not one.
Answer:
Step-by-step explanation:
2x^2-26=0
add 26 to both sides
2x^2=26
divide both sides by 2
x^2=13
square root both sides
x =
Answer:
Square root of 1040.
Or decimal form - 32.249
Step-by-step explanation: