first is 86
we know because of the sum of the interior angles of a triangle being 180, and that 5 + 6 =180
Slope is -9 and y intercept is -6
Hi umm what figure I have no idea what you are talking about
Answer: A≈78.54
Step-by-step explanation: A=πr2=π·52≈78.53982
Answer:
C
Step-by-step explanation:
The sum of the angles is 90
2x + x = 90
3x = 90
x = 30
the angle ABC is 2x, so it means that is the double of x, so it is 60 degrees