The portion of the sailboat outlined in this photo closely resembles a(n)
a) acute triangle
b) right triangle
c) obtuse triangle
d) isosceles triangle

B

Step-by-step explanation:

The solution is right triangle. The triangle appears to have one right angle and two acute angles. This fits the definition of a right triangle.

6, 10

9, -13

12, -21

18, -23

step-by-step explanation:

you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.