Need a angle created by a vertical and horizontal board of the frame to be a right angle the height of the vertical board is 12 feet the length of the horizontal board is 15 feet the support beam that will connect the ends of the two boards measures 20 feet which is true regarding the triangular frame

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

c. 1,233 miles