A triangle that has an angle that measures 90 degrees would be a Right Triangle.
x²+y²-2x-6y-5=0
x²-2x+y²-6y=5
x²-2x+1+y²-6y+9=5+1+9
(x-1)²+(y-3)²=15
(x-1)²+(y-3)²=(V15)²
-> centre of the circle: C(-1,-3)
-> radius of the circle: V15
The percent markup is 62.5%
The work is provided in the image attached.
Answer:
2 = 65
1= 115
Step-by-step explanation:
angles 2 and 65° are equal
so input that in for 2
then subtract it by 180°
https://socratic.org/questions/what-is-the-volume-of-a-sphere-with-a-radius-of-12-units
the answer is on here
