An exterior angle of a triangle is the sum of both of its opposite angles so 60 + 60 = 120 and 120 * 3 = 360
your answer is 360 degrees.
Mm I think it’s the 3rd chart
Answer:
9 + x
Step-by-step explanation:
I think this is what your asking unless you need something else
Answer:
Step-by-step explanation:
(3,−1) (4,7)
Slope = y₂-y₁/x₂-x₁
= 7- [-1]/4-3
=7+1/1 = 8/1
= 8
m = 8 ; (4,7)
y-y₁= m(x-x₁)
y - 7 = 8 * (x - 4)
y -7 = 8x - 32
y = 8x - 32 + 7
y = 8x - 25
